diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/lib/traceevent/plugins | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lib/traceevent/plugins')
-rw-r--r-- | tools/lib/traceevent/plugins/Build | 12 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/Makefile | 225 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_cfg80211.c | 43 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_function.c | 282 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_futex.c | 123 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_hrtimer.c | 74 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_jbd2.c | 61 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_kmem.c | 80 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_kvm.c | 527 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_mac80211.c | 88 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_sched_switch.c | 146 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_scsi.c | 434 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_tlb.c | 66 | ||||
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_xen.c | 138 |
14 files changed, 2299 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugins/Build b/tools/lib/traceevent/plugins/Build new file mode 100644 index 000000000..dd4da823c --- /dev/null +++ b/tools/lib/traceevent/plugins/Build @@ -0,0 +1,12 @@ +plugin_jbd2-y += plugin_jbd2.o +plugin_hrtimer-y += plugin_hrtimer.o +plugin_kmem-y += plugin_kmem.o +plugin_kvm-y += plugin_kvm.o +plugin_mac80211-y += plugin_mac80211.o +plugin_sched_switch-y += plugin_sched_switch.o +plugin_function-y += plugin_function.o +plugin_futex-y += plugin_futex.o +plugin_xen-y += plugin_xen.o +plugin_scsi-y += plugin_scsi.o +plugin_cfg80211-y += plugin_cfg80211.o +plugin_tlb-y += plugin_tlb.o
\ No newline at end of file diff --git a/tools/lib/traceevent/plugins/Makefile b/tools/lib/traceevent/plugins/Makefile new file mode 100644 index 000000000..47e802553 --- /dev/null +++ b/tools/lib/traceevent/plugins/Makefile @@ -0,0 +1,225 @@ +# SPDX-License-Identifier: GPL-2.0 + +#MAKEFLAGS += --no-print-directory + + +# Makefiles suck: This macro sets a default value of $(2) for the +# variable named by $(1), unless the variable has been set by +# environment or command line. This is necessary for CC and AR +# because make sets default values, so the simpler ?= approach +# won't work as expected. +define allow-override + $(if $(or $(findstring environment,$(origin $(1))),\ + $(findstring command line,$(origin $(1)))),,\ + $(eval $(1) = $(2))) +endef + +# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. +$(call allow-override,CC,$(CROSS_COMPILE)gcc) +$(call allow-override,AR,$(CROSS_COMPILE)ar) +$(call allow-override,NM,$(CROSS_COMPILE)nm) +$(call allow-override,PKG_CONFIG,pkg-config) + +EXT = -std=gnu99 +INSTALL = install + +# Use DESTDIR for installing into a different root directory. +# This is useful for building a package. The program will be +# installed in this directory as if it was the root directory. +# Then the build tool can move it later. +DESTDIR ?= +DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' + +LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) +ifeq ($(LP64), 1) + libdir_relative_tmp = lib64 +else + libdir_relative_tmp = lib +endif + +libdir_relative ?= $(libdir_relative_tmp) +prefix ?= /usr/local +libdir = $(prefix)/$(libdir_relative) + +set_plugin_dir := 1 + +# Set plugin_dir to preffered global plugin location +# If we install under $HOME directory we go under +# $(HOME)/.local/lib/traceevent/plugins +# +# We dont set PLUGIN_DIR in case we install under $HOME +# directory, because by default the code looks under: +# $(HOME)/.local/lib/traceevent/plugins by default. +# +ifeq ($(plugin_dir),) +ifeq ($(prefix),$(HOME)) +override plugin_dir = $(HOME)/.local/lib/traceevent/plugins +set_plugin_dir := 0 +else +override plugin_dir = $(libdir)/traceevent/plugins +endif +endif + +ifeq ($(set_plugin_dir),1) +PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)" +PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))' +endif + +include ../../../scripts/Makefile.include + +# copy a bit from Linux kbuild + +ifeq ("$(origin V)", "command line") + VERBOSE = $(V) +endif +ifndef VERBOSE + VERBOSE = 0 +endif + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +#$(info Determined 'srctree' to be $(srctree)) +endif + +export prefix libdir src obj + +# Shell quotes +plugin_dir_SQ = $(subst ','\'',$(plugin_dir)) + +CONFIG_INCLUDES = +CONFIG_LIBS = +CONFIG_FLAGS = + +OBJ = $@ +N = + +INCLUDES = -I. -I.. -I $(srctree)/tools/include $(CONFIG_INCLUDES) + +# Set compile option CFLAGS +ifdef EXTRA_CFLAGS + CFLAGS := $(EXTRA_CFLAGS) +else + CFLAGS := -g -Wall +endif + +# Append required CFLAGS +override CFLAGS += -fPIC +override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ) +override CFLAGS += $(udis86-flags) -D_GNU_SOURCE + +ifeq ($(VERBOSE),1) + Q = +else + Q = @ +endif + +# Disable command line variables (CFLAGS) override from top +# level Makefile (perf), otherwise build Makefile will get +# the same command line setup. +MAKEOVERRIDES= + +export srctree OUTPUT CC LD CFLAGS V + +build := -f $(srctree)/tools/build/Makefile.build dir=. obj + +DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list + +PLUGINS = plugin_jbd2.so +PLUGINS += plugin_hrtimer.so +PLUGINS += plugin_kmem.so +PLUGINS += plugin_kvm.so +PLUGINS += plugin_mac80211.so +PLUGINS += plugin_sched_switch.so +PLUGINS += plugin_function.so +PLUGINS += plugin_futex.so +PLUGINS += plugin_xen.so +PLUGINS += plugin_scsi.so +PLUGINS += plugin_cfg80211.so +PLUGINS += plugin_tlb.so + +PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS)) +PLUGINS_IN := $(PLUGINS:.so=-in.o) + +plugins: $(PLUGINS) $(DYNAMIC_LIST_FILE) + +__plugin_obj = $(notdir $@) + plugin_obj = $(__plugin_obj:-in.o=) + +$(PLUGINS_IN): force + $(Q)$(MAKE) $(build)=$(plugin_obj) + +$(OUTPUT)libtraceevent-dynamic-list: $(PLUGINS) + $(QUIET_GEN)$(call do_generate_dynamic_list_file, $(PLUGINS), $@) + +$(OUTPUT)%.so: $(OUTPUT)%-in.o + $(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^ + +define update_dir + (echo $1 > $@.tmp; \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPDATE $@'; \ + mv -f $@.tmp $@; \ + fi); +endef + +tags: force + $(RM) tags + find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ + --regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/' + +TAGS: force + $(RM) TAGS + find . -name '*.[ch]' | xargs etags \ + --regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/' + +define do_install_mkdir + if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ + fi +endef + +define do_install + $(call do_install_mkdir,$2); \ + $(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2' +endef + +define do_install_plugins + for plugin in $1; do \ + $(call do_install,$$plugin,$(plugin_dir_SQ)); \ + done +endef + +define do_generate_dynamic_list_file + symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \ + xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\ + if [ "$$symbol_type" = "U W" ];then \ + (echo '{'; \ + $(NM) -u -D $1 | awk 'NF>1 {sub("@.*", "", $$2); print "\t"$$2";"}' | sort -u;\ + echo '};'; \ + ) > $2; \ + else \ + (echo Either missing one of [$1] or bad version of $(NM)) 1>&2;\ + fi +endef + +install: $(PLUGINS) + $(call QUIET_INSTALL, trace_plugins) \ + $(call do_install_plugins, $(PLUGINS)) + +clean: + $(call QUIET_CLEAN, trace_plugins) \ + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \ + $(RM) $(OUTPUT)libtraceevent-dynamic-list \ + $(RM) TRACEEVENT-CFLAGS tags TAGS; + +PHONY += force plugins +force: + +# Declare the contents of the .PHONY variable as phony. We keep that +# information in a variable so we can use it in if_changed and friends. +.PHONY: $(PHONY) diff --git a/tools/lib/traceevent/plugins/plugin_cfg80211.c b/tools/lib/traceevent/plugins/plugin_cfg80211.c new file mode 100644 index 000000000..3d43b56a6 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_cfg80211.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include <string.h> +#include <inttypes.h> +#include <endian.h> +#include "event-parse.h" + +/* + * From glibc endian.h, for older systems where it is not present, e.g.: RHEL5, + * Fedora6. + */ +#ifndef le16toh +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define le16toh(x) (x) +# else +# define le16toh(x) __bswap_16 (x) +# endif +#endif + + +static unsigned long long +process___le16_to_cpup(struct trace_seq *s, unsigned long long *args) +{ + uint16_t *val = (uint16_t *) (unsigned long) args[0]; + return val ? (long long) le16toh(*val) : 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_print_function(tep, + process___le16_to_cpup, + TEP_FUNC_ARG_INT, + "__le16_to_cpup", + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_VOID); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_print_function(tep, process___le16_to_cpup, + "__le16_to_cpup"); +} diff --git a/tools/lib/traceevent/plugins/plugin_function.c b/tools/lib/traceevent/plugins/plugin_function.c new file mode 100644 index 000000000..807b16e1b --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_function.c @@ -0,0 +1,282 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "event-utils.h" +#include "trace-seq.h" + +static struct func_stack { + int size; + char **stack; +} *fstack; + +static int cpus = -1; + +#define STK_BLK 10 + +struct tep_plugin_option plugin_options[] = +{ + { + .name = "parent", + .plugin_alias = "ftrace", + .description = + "Print parent of functions for function events", + }, + { + .name = "indent", + .plugin_alias = "ftrace", + .description = + "Try to show function call indents, based on parents", + .set = 1, + }, + { + .name = "offset", + .plugin_alias = "ftrace", + .description = + "Show function names as well as their offsets", + .set = 0, + }, + { + .name = NULL, + } +}; + +static struct tep_plugin_option *ftrace_parent = &plugin_options[0]; +static struct tep_plugin_option *ftrace_indent = &plugin_options[1]; +static struct tep_plugin_option *ftrace_offset = &plugin_options[2]; + +static void add_child(struct func_stack *stack, const char *child, int pos) +{ + int i; + + if (!child) + return; + + if (pos < stack->size) + free(stack->stack[pos]); + else { + char **ptr; + + ptr = realloc(stack->stack, sizeof(char *) * + (stack->size + STK_BLK)); + if (!ptr) { + warning("could not allocate plugin memory\n"); + return; + } + + stack->stack = ptr; + + for (i = stack->size; i < stack->size + STK_BLK; i++) + stack->stack[i] = NULL; + stack->size += STK_BLK; + } + + stack->stack[pos] = strdup(child); +} + +static int add_and_get_index(const char *parent, const char *child, int cpu) +{ + int i; + + if (cpu < 0) + return 0; + + if (cpu > cpus) { + struct func_stack *ptr; + + ptr = realloc(fstack, sizeof(*fstack) * (cpu + 1)); + if (!ptr) { + warning("could not allocate plugin memory\n"); + return 0; + } + + fstack = ptr; + + /* Account for holes in the cpu count */ + for (i = cpus + 1; i <= cpu; i++) + memset(&fstack[i], 0, sizeof(fstack[i])); + cpus = cpu; + } + + for (i = 0; i < fstack[cpu].size && fstack[cpu].stack[i]; i++) { + if (strcmp(parent, fstack[cpu].stack[i]) == 0) { + add_child(&fstack[cpu], child, i+1); + return i; + } + } + + /* Not found */ + add_child(&fstack[cpu], parent, 0); + add_child(&fstack[cpu], child, 1); + return 0; +} + +static void show_function(struct trace_seq *s, struct tep_handle *tep, + const char *func, unsigned long long function) +{ + unsigned long long offset; + + trace_seq_printf(s, "%s", func); + if (ftrace_offset->set) { + offset = tep_find_function_address(tep, function); + trace_seq_printf(s, "+0x%x ", (int)(function - offset)); + } +} + +static int function_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + struct tep_handle *tep = event->tep; + unsigned long long function; + unsigned long long pfunction; + const char *func; + const char *parent; + int index = 0; + + if (tep_get_field_val(s, event, "ip", record, &function, 1)) + return trace_seq_putc(s, '!'); + + func = tep_find_function(tep, function); + + if (tep_get_field_val(s, event, "parent_ip", record, &pfunction, 1)) + return trace_seq_putc(s, '!'); + + parent = tep_find_function(tep, pfunction); + + if (parent && ftrace_indent->set) + index = add_and_get_index(parent, func, record->cpu); + + trace_seq_printf(s, "%*s", index*3, ""); + + if (func) + show_function(s, tep, func, function); + else + trace_seq_printf(s, "0x%llx", function); + + if (ftrace_parent->set) { + trace_seq_printf(s, " <-- "); + if (parent) + show_function(s, tep, parent, pfunction); + else + trace_seq_printf(s, "0x%llx", pfunction); + } + + return 0; +} + +static int +trace_stack_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + struct tep_format_field *field; + unsigned long long addr; + const char *func; + int long_size; + void *data = record->data; + + field = tep_find_any_field(event, "caller"); + if (!field) { + trace_seq_printf(s, "<CANT FIND FIELD %s>", "caller"); + return 0; + } + + trace_seq_puts(s, "<stack trace >\n"); + + long_size = tep_get_long_size(event->tep); + + for (data += field->offset; data < record->data + record->size; + data += long_size) { + addr = tep_read_number(event->tep, data, long_size); + + if ((long_size == 8 && addr == (unsigned long long)-1) || + ((int)addr == -1)) + break; + + func = tep_find_function(event->tep, addr); + if (func) + trace_seq_printf(s, "=> %s (%llx)\n", func, addr); + else + trace_seq_printf(s, "=> %llx\n", addr); + } + + return 0; +} + +static int +trace_raw_data_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + struct tep_format_field *field; + unsigned long long id; + int long_size; + void *data = record->data; + + if (tep_get_field_val(s, event, "id", record, &id, 1)) + return trace_seq_putc(s, '!'); + + trace_seq_printf(s, "# %llx", id); + + field = tep_find_any_field(event, "buf"); + if (!field) { + trace_seq_printf(s, "<CANT FIND FIELD %s>", "buf"); + return 0; + } + + long_size = tep_get_long_size(event->tep); + + for (data += field->offset; data < record->data + record->size; + data += long_size) { + int size = sizeof(long); + int left = (record->data + record->size) - data; + int i; + + if (size > left) + size = left; + + for (i = 0; i < size; i++) + trace_seq_printf(s, " %02x", *(unsigned char *)(data + i)); + } + + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, "ftrace", "function", + function_handler, NULL); + + tep_register_event_handler(tep, -1, "ftrace", "kernel_stack", + trace_stack_handler, NULL); + + tep_register_event_handler(tep, -1, "ftrace", "raw_data", + trace_raw_data_handler, NULL); + + tep_plugin_add_options("ftrace", plugin_options); + + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + int i, x; + + tep_unregister_event_handler(tep, -1, "ftrace", "function", + function_handler, NULL); + + for (i = 0; i <= cpus; i++) { + for (x = 0; x < fstack[i].size && fstack[i].stack[x]; x++) + free(fstack[i].stack[x]); + free(fstack[i].stack); + } + + tep_plugin_remove_options(plugin_options); + + free(fstack); + fstack = NULL; + cpus = -1; +} diff --git a/tools/lib/traceevent/plugins/plugin_futex.c b/tools/lib/traceevent/plugins/plugin_futex.c new file mode 100644 index 000000000..eb7c9f8a8 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_futex.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2017 National Instruments Corp. + * + * Author: Julia Cartwright <julia@ni.com> + * + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <linux/futex.h> + +#include "event-parse.h" + +#define ARRAY_SIZE(_a) (sizeof(_a) / sizeof((_a)[0])) + +struct futex_args { + unsigned long long uaddr; + unsigned long long op; + unsigned long long val; + unsigned long long utime; /* or val2 */ + unsigned long long uaddr2; + unsigned long long val3; +}; + +struct futex_op { + const char *name; + const char *fmt_val; + const char *fmt_utime; + const char *fmt_uaddr2; + const char *fmt_val3; +}; + +static const struct futex_op futex_op_tbl[] = { + { "FUTEX_WAIT", " val=0x%08llx", " utime=0x%08llx", NULL, NULL }, + { "FUTEX_WAKE", " val=%llu", NULL, NULL, NULL }, + { "FUTEX_FD", " val=%llu", NULL, NULL, NULL }, + { "FUTEX_REQUEUE", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", NULL }, + { "FUTEX_CMP_REQUEUE", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", " val3=0x%08llx" }, + { "FUTEX_WAKE_OP", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", " val3=0x%08llx" }, + { "FUTEX_LOCK_PI", NULL, " utime=0x%08llx", NULL, NULL }, + { "FUTEX_UNLOCK_PI", NULL, NULL, NULL, NULL }, + { "FUTEX_TRYLOCK_PI", NULL, NULL, NULL, NULL }, + { "FUTEX_WAIT_BITSET", " val=0x%08llx", " utime=0x%08llx", NULL, " val3=0x%08llx" }, + { "FUTEX_WAKE_BITSET", " val=%llu", NULL, NULL, " val3=0x%08llx" }, + { "FUTEX_WAIT_REQUEUE_PI", " val=0x%08llx", " utime=0x%08llx", " uaddr2=0x%08llx", " val3=0x%08llx" }, + { "FUTEX_CMP_REQUEUE_PI", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", " val3=0x%08llx" }, +}; + + +static void futex_print(struct trace_seq *s, const struct futex_args *args, + const struct futex_op *fop) +{ + trace_seq_printf(s, " uaddr=0x%08llx", args->uaddr); + + if (fop->fmt_val) + trace_seq_printf(s, fop->fmt_val, args->val); + + if (fop->fmt_utime) + trace_seq_printf(s,fop->fmt_utime, args->utime); + + if (fop->fmt_uaddr2) + trace_seq_printf(s, fop->fmt_uaddr2, args->uaddr2); + + if (fop->fmt_val3) + trace_seq_printf(s, fop->fmt_val3, args->val3); +} + +static int futex_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + const struct futex_op *fop; + struct futex_args args; + unsigned long long cmd; + + if (tep_get_field_val(s, event, "uaddr", record, &args.uaddr, 1)) + return 1; + + if (tep_get_field_val(s, event, "op", record, &args.op, 1)) + return 1; + + if (tep_get_field_val(s, event, "val", record, &args.val, 1)) + return 1; + + if (tep_get_field_val(s, event, "utime", record, &args.utime, 1)) + return 1; + + if (tep_get_field_val(s, event, "uaddr2", record, &args.uaddr2, 1)) + return 1; + + if (tep_get_field_val(s, event, "val3", record, &args.val3, 1)) + return 1; + + cmd = args.op & FUTEX_CMD_MASK; + if (cmd >= ARRAY_SIZE(futex_op_tbl)) + return 1; + + fop = &futex_op_tbl[cmd]; + + trace_seq_printf(s, "op=%s", fop->name); + + if (args.op & FUTEX_PRIVATE_FLAG) + trace_seq_puts(s, "|FUTEX_PRIVATE_FLAG"); + + if (args.op & FUTEX_CLOCK_REALTIME) + trace_seq_puts(s, "|FUTEX_CLOCK_REALTIME"); + + futex_print(s, &args, fop); + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, "syscalls", "sys_enter_futex", + futex_handler, NULL); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, "syscalls", "sys_enter_futex", + futex_handler, NULL); +} diff --git a/tools/lib/traceevent/plugins/plugin_hrtimer.c b/tools/lib/traceevent/plugins/plugin_hrtimer.c new file mode 100644 index 000000000..d98466788 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_hrtimer.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "trace-seq.h" + +static int timer_expire_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + trace_seq_printf(s, "hrtimer="); + + if (tep_print_num_field(s, "0x%llx", event, "timer", + record, 0) == -1) + tep_print_num_field(s, "0x%llx", event, "hrtimer", + record, 1); + + trace_seq_printf(s, " now="); + + tep_print_num_field(s, "%llu", event, "now", record, 1); + + tep_print_func_field(s, " function=%s", event, "function", + record, 0); + return 0; +} + +static int timer_start_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + trace_seq_printf(s, "hrtimer="); + + if (tep_print_num_field(s, "0x%llx", event, "timer", + record, 0) == -1) + tep_print_num_field(s, "0x%llx", event, "hrtimer", + record, 1); + + tep_print_func_field(s, " function=%s", event, "function", + record, 0); + + trace_seq_printf(s, " expires="); + tep_print_num_field(s, "%llu", event, "expires", record, 1); + + trace_seq_printf(s, " softexpires="); + tep_print_num_field(s, "%llu", event, "softexpires", record, 1); + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + tep_register_event_handler(tep, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + tep_unregister_event_handler(tep, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); +} diff --git a/tools/lib/traceevent/plugins/plugin_jbd2.c b/tools/lib/traceevent/plugins/plugin_jbd2.c new file mode 100644 index 000000000..69111a68d --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_jbd2.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "trace-seq.h" + +#define MINORBITS 20 +#define MINORMASK ((1U << MINORBITS) - 1) + +#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS)) +#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK)) + +static unsigned long long +process_jbd2_dev_to_name(struct trace_seq *s, unsigned long long *args) +{ + unsigned int dev = args[0]; + + trace_seq_printf(s, "%d:%d", MAJOR(dev), MINOR(dev)); + return 0; +} + +static unsigned long long +process_jiffies_to_msecs(struct trace_seq *s, unsigned long long *args) +{ + unsigned long long jiffies = args[0]; + + trace_seq_printf(s, "%lld", jiffies); + return jiffies; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_print_function(tep, + process_jbd2_dev_to_name, + TEP_FUNC_ARG_STRING, + "jbd2_dev_to_name", + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_VOID); + + tep_register_print_function(tep, + process_jiffies_to_msecs, + TEP_FUNC_ARG_LONG, + "jiffies_to_msecs", + TEP_FUNC_ARG_LONG, + TEP_FUNC_ARG_VOID); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_print_function(tep, process_jbd2_dev_to_name, + "jbd2_dev_to_name"); + + tep_unregister_print_function(tep, process_jiffies_to_msecs, + "jiffies_to_msecs"); +} diff --git a/tools/lib/traceevent/plugins/plugin_kmem.c b/tools/lib/traceevent/plugins/plugin_kmem.c new file mode 100644 index 000000000..4b4f7f961 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_kmem.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "trace-seq.h" + +static int call_site_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + struct tep_format_field *field; + unsigned long long val, addr; + void *data = record->data; + const char *func; + + field = tep_find_field(event, "call_site"); + if (!field) + return 1; + + if (tep_read_number_field(field, data, &val)) + return 1; + + func = tep_find_function(event->tep, val); + if (!func) + return 1; + + addr = tep_find_function_address(event->tep, val); + + trace_seq_printf(s, "(%s+0x%x) ", func, (int)(val - addr)); + return 1; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, "kmem", "kfree", + call_site_handler, NULL); + + tep_register_event_handler(tep, -1, "kmem", "kmalloc", + call_site_handler, NULL); + + tep_register_event_handler(tep, -1, "kmem", "kmalloc_node", + call_site_handler, NULL); + + tep_register_event_handler(tep, -1, "kmem", "kmem_cache_alloc", + call_site_handler, NULL); + + tep_register_event_handler(tep, -1, "kmem", + "kmem_cache_alloc_node", + call_site_handler, NULL); + + tep_register_event_handler(tep, -1, "kmem", "kmem_cache_free", + call_site_handler, NULL); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, "kmem", "kfree", + call_site_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kmem", "kmalloc", + call_site_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kmem", "kmalloc_node", + call_site_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kmem", "kmem_cache_alloc", + call_site_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kmem", + "kmem_cache_alloc_node", + call_site_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kmem", "kmem_cache_free", + call_site_handler, NULL); +} diff --git a/tools/lib/traceevent/plugins/plugin_kvm.c b/tools/lib/traceevent/plugins/plugin_kvm.c new file mode 100644 index 000000000..51ceeb914 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_kvm.c @@ -0,0 +1,527 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> + +#include "event-parse.h" +#include "trace-seq.h" + +#ifdef HAVE_UDIS86 + +#include <udis86.h> + +static ud_t ud; + +static void init_disassembler(void) +{ + ud_init(&ud); + ud_set_syntax(&ud, UD_SYN_ATT); +} + +static const char *disassemble(unsigned char *insn, int len, uint64_t rip, + int cr0_pe, int eflags_vm, + int cs_d, int cs_l) +{ + int mode; + + if (!cr0_pe) + mode = 16; + else if (eflags_vm) + mode = 16; + else if (cs_l) + mode = 64; + else if (cs_d) + mode = 32; + else + mode = 16; + + ud_set_pc(&ud, rip); + ud_set_mode(&ud, mode); + ud_set_input_buffer(&ud, insn, len); + ud_disassemble(&ud); + return ud_insn_asm(&ud); +} + +#else + +static void init_disassembler(void) +{ +} + +static const char *disassemble(unsigned char *insn, int len, uint64_t rip, + int cr0_pe, int eflags_vm, + int cs_d, int cs_l) +{ + static char out[15*3+1]; + int i; + + for (i = 0; i < len; ++i) + sprintf(out + i * 3, "%02x ", insn[i]); + out[len*3-1] = '\0'; + return out; +} + +#endif + + +#define VMX_EXIT_REASONS \ + _ER(EXCEPTION_NMI, 0) \ + _ER(EXTERNAL_INTERRUPT, 1) \ + _ER(TRIPLE_FAULT, 2) \ + _ER(PENDING_INTERRUPT, 7) \ + _ER(NMI_WINDOW, 8) \ + _ER(TASK_SWITCH, 9) \ + _ER(CPUID, 10) \ + _ER(HLT, 12) \ + _ER(INVD, 13) \ + _ER(INVLPG, 14) \ + _ER(RDPMC, 15) \ + _ER(RDTSC, 16) \ + _ER(VMCALL, 18) \ + _ER(VMCLEAR, 19) \ + _ER(VMLAUNCH, 20) \ + _ER(VMPTRLD, 21) \ + _ER(VMPTRST, 22) \ + _ER(VMREAD, 23) \ + _ER(VMRESUME, 24) \ + _ER(VMWRITE, 25) \ + _ER(VMOFF, 26) \ + _ER(VMON, 27) \ + _ER(CR_ACCESS, 28) \ + _ER(DR_ACCESS, 29) \ + _ER(IO_INSTRUCTION, 30) \ + _ER(MSR_READ, 31) \ + _ER(MSR_WRITE, 32) \ + _ER(MWAIT_INSTRUCTION, 36) \ + _ER(MONITOR_INSTRUCTION, 39) \ + _ER(PAUSE_INSTRUCTION, 40) \ + _ER(MCE_DURING_VMENTRY, 41) \ + _ER(TPR_BELOW_THRESHOLD, 43) \ + _ER(APIC_ACCESS, 44) \ + _ER(EOI_INDUCED, 45) \ + _ER(EPT_VIOLATION, 48) \ + _ER(EPT_MISCONFIG, 49) \ + _ER(INVEPT, 50) \ + _ER(PREEMPTION_TIMER, 52) \ + _ER(WBINVD, 54) \ + _ER(XSETBV, 55) \ + _ER(APIC_WRITE, 56) \ + _ER(INVPCID, 58) \ + _ER(PML_FULL, 62) \ + _ER(XSAVES, 63) \ + _ER(XRSTORS, 64) + +#define SVM_EXIT_REASONS \ + _ER(EXIT_READ_CR0, 0x000) \ + _ER(EXIT_READ_CR3, 0x003) \ + _ER(EXIT_READ_CR4, 0x004) \ + _ER(EXIT_READ_CR8, 0x008) \ + _ER(EXIT_WRITE_CR0, 0x010) \ + _ER(EXIT_WRITE_CR3, 0x013) \ + _ER(EXIT_WRITE_CR4, 0x014) \ + _ER(EXIT_WRITE_CR8, 0x018) \ + _ER(EXIT_READ_DR0, 0x020) \ + _ER(EXIT_READ_DR1, 0x021) \ + _ER(EXIT_READ_DR2, 0x022) \ + _ER(EXIT_READ_DR3, 0x023) \ + _ER(EXIT_READ_DR4, 0x024) \ + _ER(EXIT_READ_DR5, 0x025) \ + _ER(EXIT_READ_DR6, 0x026) \ + _ER(EXIT_READ_DR7, 0x027) \ + _ER(EXIT_WRITE_DR0, 0x030) \ + _ER(EXIT_WRITE_DR1, 0x031) \ + _ER(EXIT_WRITE_DR2, 0x032) \ + _ER(EXIT_WRITE_DR3, 0x033) \ + _ER(EXIT_WRITE_DR4, 0x034) \ + _ER(EXIT_WRITE_DR5, 0x035) \ + _ER(EXIT_WRITE_DR6, 0x036) \ + _ER(EXIT_WRITE_DR7, 0x037) \ + _ER(EXIT_EXCP_DE, 0x040) \ + _ER(EXIT_EXCP_DB, 0x041) \ + _ER(EXIT_EXCP_BP, 0x043) \ + _ER(EXIT_EXCP_OF, 0x044) \ + _ER(EXIT_EXCP_BR, 0x045) \ + _ER(EXIT_EXCP_UD, 0x046) \ + _ER(EXIT_EXCP_NM, 0x047) \ + _ER(EXIT_EXCP_DF, 0x048) \ + _ER(EXIT_EXCP_TS, 0x04a) \ + _ER(EXIT_EXCP_NP, 0x04b) \ + _ER(EXIT_EXCP_SS, 0x04c) \ + _ER(EXIT_EXCP_GP, 0x04d) \ + _ER(EXIT_EXCP_PF, 0x04e) \ + _ER(EXIT_EXCP_MF, 0x050) \ + _ER(EXIT_EXCP_AC, 0x051) \ + _ER(EXIT_EXCP_MC, 0x052) \ + _ER(EXIT_EXCP_XF, 0x053) \ + _ER(EXIT_INTR, 0x060) \ + _ER(EXIT_NMI, 0x061) \ + _ER(EXIT_SMI, 0x062) \ + _ER(EXIT_INIT, 0x063) \ + _ER(EXIT_VINTR, 0x064) \ + _ER(EXIT_CR0_SEL_WRITE, 0x065) \ + _ER(EXIT_IDTR_READ, 0x066) \ + _ER(EXIT_GDTR_READ, 0x067) \ + _ER(EXIT_LDTR_READ, 0x068) \ + _ER(EXIT_TR_READ, 0x069) \ + _ER(EXIT_IDTR_WRITE, 0x06a) \ + _ER(EXIT_GDTR_WRITE, 0x06b) \ + _ER(EXIT_LDTR_WRITE, 0x06c) \ + _ER(EXIT_TR_WRITE, 0x06d) \ + _ER(EXIT_RDTSC, 0x06e) \ + _ER(EXIT_RDPMC, 0x06f) \ + _ER(EXIT_PUSHF, 0x070) \ + _ER(EXIT_POPF, 0x071) \ + _ER(EXIT_CPUID, 0x072) \ + _ER(EXIT_RSM, 0x073) \ + _ER(EXIT_IRET, 0x074) \ + _ER(EXIT_SWINT, 0x075) \ + _ER(EXIT_INVD, 0x076) \ + _ER(EXIT_PAUSE, 0x077) \ + _ER(EXIT_HLT, 0x078) \ + _ER(EXIT_INVLPG, 0x079) \ + _ER(EXIT_INVLPGA, 0x07a) \ + _ER(EXIT_IOIO, 0x07b) \ + _ER(EXIT_MSR, 0x07c) \ + _ER(EXIT_TASK_SWITCH, 0x07d) \ + _ER(EXIT_FERR_FREEZE, 0x07e) \ + _ER(EXIT_SHUTDOWN, 0x07f) \ + _ER(EXIT_VMRUN, 0x080) \ + _ER(EXIT_VMMCALL, 0x081) \ + _ER(EXIT_VMLOAD, 0x082) \ + _ER(EXIT_VMSAVE, 0x083) \ + _ER(EXIT_STGI, 0x084) \ + _ER(EXIT_CLGI, 0x085) \ + _ER(EXIT_SKINIT, 0x086) \ + _ER(EXIT_RDTSCP, 0x087) \ + _ER(EXIT_ICEBP, 0x088) \ + _ER(EXIT_WBINVD, 0x089) \ + _ER(EXIT_MONITOR, 0x08a) \ + _ER(EXIT_MWAIT, 0x08b) \ + _ER(EXIT_MWAIT_COND, 0x08c) \ + _ER(EXIT_XSETBV, 0x08d) \ + _ER(EXIT_NPF, 0x400) \ + _ER(EXIT_AVIC_INCOMPLETE_IPI, 0x401) \ + _ER(EXIT_AVIC_UNACCELERATED_ACCESS, 0x402) \ + _ER(EXIT_ERR, -1) + +#define _ER(reason, val) { #reason, val }, +struct str_values { + const char *str; + int val; +}; + +static struct str_values vmx_exit_reasons[] = { + VMX_EXIT_REASONS + { NULL, -1} +}; + +static struct str_values svm_exit_reasons[] = { + SVM_EXIT_REASONS + { NULL, -1} +}; + +static struct isa_exit_reasons { + unsigned isa; + struct str_values *strings; +} isa_exit_reasons[] = { + { .isa = 1, .strings = vmx_exit_reasons }, + { .isa = 2, .strings = svm_exit_reasons }, + { } +}; + +static const char *find_exit_reason(unsigned isa, int val) +{ + struct str_values *strings = NULL; + int i; + + for (i = 0; isa_exit_reasons[i].strings; ++i) + if (isa_exit_reasons[i].isa == isa) { + strings = isa_exit_reasons[i].strings; + break; + } + if (!strings) + return "UNKNOWN-ISA"; + for (i = 0; strings[i].str; i++) + if (strings[i].val == val) + break; + + return strings[i].str; +} + +static int print_exit_reason(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, const char *field) +{ + unsigned long long isa; + unsigned long long val; + const char *reason; + + if (tep_get_field_val(s, event, field, record, &val, 1) < 0) + return -1; + + if (tep_get_field_val(s, event, "isa", record, &isa, 0) < 0) + isa = 1; + + reason = find_exit_reason(isa, val); + if (reason) + trace_seq_printf(s, "reason %s", reason); + else + trace_seq_printf(s, "reason UNKNOWN (%llu)", val); + return 0; +} + +static int kvm_exit_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + unsigned long long info1 = 0, info2 = 0; + + if (print_exit_reason(s, record, event, "exit_reason") < 0) + return -1; + + tep_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1); + + if (tep_get_field_val(s, event, "info1", record, &info1, 0) >= 0 + && tep_get_field_val(s, event, "info2", record, &info2, 0) >= 0) + trace_seq_printf(s, " info %llx %llx", info1, info2); + + return 0; +} + +#define KVM_EMUL_INSN_F_CR0_PE (1 << 0) +#define KVM_EMUL_INSN_F_EFL_VM (1 << 1) +#define KVM_EMUL_INSN_F_CS_D (1 << 2) +#define KVM_EMUL_INSN_F_CS_L (1 << 3) + +static int kvm_emulate_insn_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + unsigned long long rip, csbase, len, flags, failed; + int llen; + uint8_t *insn; + const char *disasm; + + if (tep_get_field_val(s, event, "rip", record, &rip, 1) < 0) + return -1; + + if (tep_get_field_val(s, event, "csbase", record, &csbase, 1) < 0) + return -1; + + if (tep_get_field_val(s, event, "len", record, &len, 1) < 0) + return -1; + + if (tep_get_field_val(s, event, "flags", record, &flags, 1) < 0) + return -1; + + if (tep_get_field_val(s, event, "failed", record, &failed, 1) < 0) + return -1; + + insn = tep_get_field_raw(s, event, "insn", record, &llen, 1); + if (!insn) + return -1; + + disasm = disassemble(insn, len, rip, + flags & KVM_EMUL_INSN_F_CR0_PE, + flags & KVM_EMUL_INSN_F_EFL_VM, + flags & KVM_EMUL_INSN_F_CS_D, + flags & KVM_EMUL_INSN_F_CS_L); + + trace_seq_printf(s, "%llx:%llx: %s%s", csbase, rip, disasm, + failed ? " FAIL" : ""); + return 0; +} + + +static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + if (print_exit_reason(s, record, event, "exit_code") < 0) + return -1; + + tep_print_num_field(s, " info1 %llx", event, "exit_info1", record, 1); + tep_print_num_field(s, " info2 %llx", event, "exit_info2", record, 1); + tep_print_num_field(s, " int_info %llx", event, "exit_int_info", record, 1); + tep_print_num_field(s, " int_info_err %llx", event, "exit_int_info_err", record, 1); + + return 0; +} + +static int kvm_nested_vmexit_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + tep_print_num_field(s, "rip %llx ", event, "rip", record, 1); + + return kvm_nested_vmexit_inject_handler(s, record, event, context); +} + +union kvm_mmu_page_role { + unsigned word; + struct { + unsigned level:4; + unsigned cr4_pae:1; + unsigned quadrant:2; + unsigned direct:1; + unsigned access:3; + unsigned invalid:1; + unsigned nxe:1; + unsigned cr0_wp:1; + unsigned smep_and_not_wp:1; + unsigned smap_and_not_wp:1; + unsigned pad_for_nice_hex_output:8; + unsigned smm:8; + }; +}; + +static int kvm_mmu_print_role(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + unsigned long long val; + static const char *access_str[] = { + "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" + }; + union kvm_mmu_page_role role; + + if (tep_get_field_val(s, event, "role", record, &val, 1) < 0) + return -1; + + role.word = (int)val; + + /* + * We can only use the structure if file is of the same + * endianness. + */ + if (tep_is_file_bigendian(event->tep) == + tep_is_local_bigendian(event->tep)) { + + trace_seq_printf(s, "%u q%u%s %s%s %spae %snxe %swp%s%s%s", + role.level, + role.quadrant, + role.direct ? " direct" : "", + access_str[role.access], + role.invalid ? " invalid" : "", + role.cr4_pae ? "" : "!", + role.nxe ? "" : "!", + role.cr0_wp ? "" : "!", + role.smep_and_not_wp ? " smep" : "", + role.smap_and_not_wp ? " smap" : "", + role.smm ? " smm" : ""); + } else + trace_seq_printf(s, "WORD: %08x", role.word); + + tep_print_num_field(s, " root %u ", event, + "root_count", record, 1); + + if (tep_get_field_val(s, event, "unsync", record, &val, 1) < 0) + return -1; + + trace_seq_printf(s, "%s%c", val ? "unsync" : "sync", 0); + return 0; +} + +static int kvm_mmu_get_page_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + unsigned long long val; + + if (tep_get_field_val(s, event, "created", record, &val, 1) < 0) + return -1; + + trace_seq_printf(s, "%s ", val ? "new" : "existing"); + + if (tep_get_field_val(s, event, "gfn", record, &val, 1) < 0) + return -1; + + trace_seq_printf(s, "sp gfn %llx ", val); + return kvm_mmu_print_role(s, record, event, context); +} + +#define PT_WRITABLE_SHIFT 1 +#define PT_WRITABLE_MASK (1ULL << PT_WRITABLE_SHIFT) + +static unsigned long long +process_is_writable_pte(struct trace_seq *s, unsigned long long *args) +{ + unsigned long pte = args[0]; + return pte & PT_WRITABLE_MASK; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + init_disassembler(); + + tep_register_event_handler(tep, -1, "kvm", "kvm_exit", + kvm_exit_handler, NULL); + + tep_register_event_handler(tep, -1, "kvm", "kvm_emulate_insn", + kvm_emulate_insn_handler, NULL); + + tep_register_event_handler(tep, -1, "kvm", "kvm_nested_vmexit", + kvm_nested_vmexit_handler, NULL); + + tep_register_event_handler(tep, -1, "kvm", "kvm_nested_vmexit_inject", + kvm_nested_vmexit_inject_handler, NULL); + + tep_register_event_handler(tep, -1, "kvmmmu", "kvm_mmu_get_page", + kvm_mmu_get_page_handler, NULL); + + tep_register_event_handler(tep, -1, "kvmmmu", "kvm_mmu_sync_page", + kvm_mmu_print_role, NULL); + + tep_register_event_handler(tep, -1, + "kvmmmu", "kvm_mmu_unsync_page", + kvm_mmu_print_role, NULL); + + tep_register_event_handler(tep, -1, "kvmmmu", "kvm_mmu_zap_page", + kvm_mmu_print_role, NULL); + + tep_register_event_handler(tep, -1, "kvmmmu", + "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, + NULL); + + tep_register_print_function(tep, + process_is_writable_pte, + TEP_FUNC_ARG_INT, + "is_writable_pte", + TEP_FUNC_ARG_LONG, + TEP_FUNC_ARG_VOID); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, "kvm", "kvm_exit", + kvm_exit_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kvm", "kvm_emulate_insn", + kvm_emulate_insn_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kvm", "kvm_nested_vmexit", + kvm_nested_vmexit_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kvm", "kvm_nested_vmexit_inject", + kvm_nested_vmexit_inject_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kvmmmu", "kvm_mmu_get_page", + kvm_mmu_get_page_handler, NULL); + + tep_unregister_event_handler(tep, -1, "kvmmmu", "kvm_mmu_sync_page", + kvm_mmu_print_role, NULL); + + tep_unregister_event_handler(tep, -1, + "kvmmmu", "kvm_mmu_unsync_page", + kvm_mmu_print_role, NULL); + + tep_unregister_event_handler(tep, -1, "kvmmmu", "kvm_mmu_zap_page", + kvm_mmu_print_role, NULL); + + tep_unregister_event_handler(tep, -1, "kvmmmu", + "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, + NULL); + + tep_unregister_print_function(tep, process_is_writable_pte, + "is_writable_pte"); +} diff --git a/tools/lib/traceevent/plugins/plugin_mac80211.c b/tools/lib/traceevent/plugins/plugin_mac80211.c new file mode 100644 index 000000000..f48071e3c --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_mac80211.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "trace-seq.h" + +#define INDENT 65 + +static void print_string(struct trace_seq *s, struct tep_event *event, + const char *name, const void *data) +{ + struct tep_format_field *f = tep_find_field(event, name); + int offset; + int length; + + if (!f) { + trace_seq_printf(s, "NOTFOUND:%s", name); + return; + } + + offset = f->offset; + length = f->size; + + if (!strncmp(f->type, "__data_loc", 10)) { + unsigned long long v; + if (tep_read_number_field(f, data, &v)) { + trace_seq_printf(s, "invalid_data_loc"); + return; + } + offset = v & 0xffff; + length = v >> 16; + } + + trace_seq_printf(s, "%.*s", length, (char *)data + offset); +} + +#define SF(fn) tep_print_num_field(s, fn ":%d", event, fn, record, 0) +#define SFX(fn) tep_print_num_field(s, fn ":%#x", event, fn, record, 0) +#define SP() trace_seq_putc(s, ' ') + +static int drv_bss_info_changed(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + void *data = record->data; + + print_string(s, event, "wiphy_name", data); + trace_seq_printf(s, " vif:"); + print_string(s, event, "vif_name", data); + tep_print_num_field(s, "(%d)", event, "vif_type", record, 1); + + trace_seq_printf(s, "\n%*s", INDENT, ""); + SF("assoc"); SP(); + SF("aid"); SP(); + SF("cts"); SP(); + SF("shortpre"); SP(); + SF("shortslot"); SP(); + SF("dtimper"); SP(); + trace_seq_printf(s, "\n%*s", INDENT, ""); + SF("bcnint"); SP(); + SFX("assoc_cap"); SP(); + SFX("basic_rates"); SP(); + SF("enable_beacon"); + trace_seq_printf(s, "\n%*s", INDENT, ""); + SF("ht_operation_mode"); + + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, "mac80211", + "drv_bss_info_changed", + drv_bss_info_changed, NULL); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, "mac80211", + "drv_bss_info_changed", + drv_bss_info_changed, NULL); +} diff --git a/tools/lib/traceevent/plugins/plugin_sched_switch.c b/tools/lib/traceevent/plugins/plugin_sched_switch.c new file mode 100644 index 000000000..e12fa1038 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_sched_switch.c @@ -0,0 +1,146 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "trace-seq.h" + +static void write_state(struct trace_seq *s, int val) +{ + const char states[] = "SDTtZXxW"; + int found = 0; + int i; + + for (i = 0; i < (sizeof(states) - 1); i++) { + if (!(val & (1 << i))) + continue; + + if (found) + trace_seq_putc(s, '|'); + + found = 1; + trace_seq_putc(s, states[i]); + } + + if (!found) + trace_seq_putc(s, 'R'); +} + +static void write_and_save_comm(struct tep_format_field *field, + struct tep_record *record, + struct trace_seq *s, int pid) +{ + const char *comm; + int len; + + comm = (char *)(record->data + field->offset); + len = s->len; + trace_seq_printf(s, "%.*s", + field->size, comm); + + /* make sure the comm has a \0 at the end. */ + trace_seq_terminate(s); + comm = &s->buffer[len]; + + /* Help out the comm to ids. This will handle dups */ + tep_register_comm(field->event->tep, comm, pid); +} + +static int sched_wakeup_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + struct tep_format_field *field; + unsigned long long val; + + if (tep_get_field_val(s, event, "pid", record, &val, 1)) + return trace_seq_putc(s, '!'); + + field = tep_find_any_field(event, "comm"); + if (field) { + write_and_save_comm(field, record, s, val); + trace_seq_putc(s, ':'); + } + trace_seq_printf(s, "%lld", val); + + if (tep_get_field_val(s, event, "prio", record, &val, 0) == 0) + trace_seq_printf(s, " [%lld]", val); + + if (tep_get_field_val(s, event, "success", record, &val, 1) == 0) + trace_seq_printf(s, " success=%lld", val); + + if (tep_get_field_val(s, event, "target_cpu", record, &val, 0) == 0) + trace_seq_printf(s, " CPU:%03llu", val); + + return 0; +} + +static int sched_switch_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context) +{ + struct tep_format_field *field; + unsigned long long val; + + if (tep_get_field_val(s, event, "prev_pid", record, &val, 1)) + return trace_seq_putc(s, '!'); + + field = tep_find_any_field(event, "prev_comm"); + if (field) { + write_and_save_comm(field, record, s, val); + trace_seq_putc(s, ':'); + } + trace_seq_printf(s, "%lld ", val); + + if (tep_get_field_val(s, event, "prev_prio", record, &val, 0) == 0) + trace_seq_printf(s, "[%d] ", (int) val); + + if (tep_get_field_val(s, event, "prev_state", record, &val, 0) == 0) + write_state(s, val); + + trace_seq_puts(s, " ==> "); + + if (tep_get_field_val(s, event, "next_pid", record, &val, 1)) + return trace_seq_putc(s, '!'); + + field = tep_find_any_field(event, "next_comm"); + if (field) { + write_and_save_comm(field, record, s, val); + trace_seq_putc(s, ':'); + } + trace_seq_printf(s, "%lld", val); + + if (tep_get_field_val(s, event, "next_prio", record, &val, 0) == 0) + trace_seq_printf(s, " [%d]", (int) val); + + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, "sched", "sched_switch", + sched_switch_handler, NULL); + + tep_register_event_handler(tep, -1, "sched", "sched_wakeup", + sched_wakeup_handler, NULL); + + tep_register_event_handler(tep, -1, "sched", "sched_wakeup_new", + sched_wakeup_handler, NULL); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, "sched", "sched_switch", + sched_switch_handler, NULL); + + tep_unregister_event_handler(tep, -1, "sched", "sched_wakeup", + sched_wakeup_handler, NULL); + + tep_unregister_event_handler(tep, -1, "sched", "sched_wakeup_new", + sched_wakeup_handler, NULL); +} diff --git a/tools/lib/traceevent/plugins/plugin_scsi.c b/tools/lib/traceevent/plugins/plugin_scsi.c new file mode 100644 index 000000000..5d0387a4b --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_scsi.c @@ -0,0 +1,434 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include <string.h> +#include <inttypes.h> +#include "event-parse.h" +#include "trace-seq.h" + +typedef unsigned long sector_t; +typedef uint64_t u64; +typedef unsigned int u32; + +/* + * SCSI opcodes + */ +#define TEST_UNIT_READY 0x00 +#define REZERO_UNIT 0x01 +#define REQUEST_SENSE 0x03 +#define FORMAT_UNIT 0x04 +#define READ_BLOCK_LIMITS 0x05 +#define REASSIGN_BLOCKS 0x07 +#define INITIALIZE_ELEMENT_STATUS 0x07 +#define READ_6 0x08 +#define WRITE_6 0x0a +#define SEEK_6 0x0b +#define READ_REVERSE 0x0f +#define WRITE_FILEMARKS 0x10 +#define SPACE 0x11 +#define INQUIRY 0x12 +#define RECOVER_BUFFERED_DATA 0x14 +#define MODE_SELECT 0x15 +#define RESERVE 0x16 +#define RELEASE 0x17 +#define COPY 0x18 +#define ERASE 0x19 +#define MODE_SENSE 0x1a +#define START_STOP 0x1b +#define RECEIVE_DIAGNOSTIC 0x1c +#define SEND_DIAGNOSTIC 0x1d +#define ALLOW_MEDIUM_REMOVAL 0x1e + +#define READ_FORMAT_CAPACITIES 0x23 +#define SET_WINDOW 0x24 +#define READ_CAPACITY 0x25 +#define READ_10 0x28 +#define WRITE_10 0x2a +#define SEEK_10 0x2b +#define POSITION_TO_ELEMENT 0x2b +#define WRITE_VERIFY 0x2e +#define VERIFY 0x2f +#define SEARCH_HIGH 0x30 +#define SEARCH_EQUAL 0x31 +#define SEARCH_LOW 0x32 +#define SET_LIMITS 0x33 +#define PRE_FETCH 0x34 +#define READ_POSITION 0x34 +#define SYNCHRONIZE_CACHE 0x35 +#define LOCK_UNLOCK_CACHE 0x36 +#define READ_DEFECT_DATA 0x37 +#define MEDIUM_SCAN 0x38 +#define COMPARE 0x39 +#define COPY_VERIFY 0x3a +#define WRITE_BUFFER 0x3b +#define READ_BUFFER 0x3c +#define UPDATE_BLOCK 0x3d +#define READ_LONG 0x3e +#define WRITE_LONG 0x3f +#define CHANGE_DEFINITION 0x40 +#define WRITE_SAME 0x41 +#define UNMAP 0x42 +#define READ_TOC 0x43 +#define READ_HEADER 0x44 +#define GET_EVENT_STATUS_NOTIFICATION 0x4a +#define LOG_SELECT 0x4c +#define LOG_SENSE 0x4d +#define XDWRITEREAD_10 0x53 +#define MODE_SELECT_10 0x55 +#define RESERVE_10 0x56 +#define RELEASE_10 0x57 +#define MODE_SENSE_10 0x5a +#define PERSISTENT_RESERVE_IN 0x5e +#define PERSISTENT_RESERVE_OUT 0x5f +#define VARIABLE_LENGTH_CMD 0x7f +#define REPORT_LUNS 0xa0 +#define SECURITY_PROTOCOL_IN 0xa2 +#define MAINTENANCE_IN 0xa3 +#define MAINTENANCE_OUT 0xa4 +#define MOVE_MEDIUM 0xa5 +#define EXCHANGE_MEDIUM 0xa6 +#define READ_12 0xa8 +#define SERVICE_ACTION_OUT_12 0xa9 +#define WRITE_12 0xaa +#define SERVICE_ACTION_IN_12 0xab +#define WRITE_VERIFY_12 0xae +#define VERIFY_12 0xaf +#define SEARCH_HIGH_12 0xb0 +#define SEARCH_EQUAL_12 0xb1 +#define SEARCH_LOW_12 0xb2 +#define SECURITY_PROTOCOL_OUT 0xb5 +#define READ_ELEMENT_STATUS 0xb8 +#define SEND_VOLUME_TAG 0xb6 +#define WRITE_LONG_2 0xea +#define EXTENDED_COPY 0x83 +#define RECEIVE_COPY_RESULTS 0x84 +#define ACCESS_CONTROL_IN 0x86 +#define ACCESS_CONTROL_OUT 0x87 +#define READ_16 0x88 +#define WRITE_16 0x8a +#define READ_ATTRIBUTE 0x8c +#define WRITE_ATTRIBUTE 0x8d +#define VERIFY_16 0x8f +#define SYNCHRONIZE_CACHE_16 0x91 +#define WRITE_SAME_16 0x93 +#define SERVICE_ACTION_BIDIRECTIONAL 0x9d +#define SERVICE_ACTION_IN_16 0x9e +#define SERVICE_ACTION_OUT_16 0x9f +/* values for service action in */ +#define SAI_READ_CAPACITY_16 0x10 +#define SAI_GET_LBA_STATUS 0x12 +/* values for VARIABLE_LENGTH_CMD service action codes + * see spc4r17 Section D.3.5, table D.7 and D.8 */ +#define VLC_SA_RECEIVE_CREDENTIAL 0x1800 +/* values for maintenance in */ +#define MI_REPORT_IDENTIFYING_INFORMATION 0x05 +#define MI_REPORT_TARGET_PGS 0x0a +#define MI_REPORT_ALIASES 0x0b +#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c +#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d +#define MI_REPORT_PRIORITY 0x0e +#define MI_REPORT_TIMESTAMP 0x0f +#define MI_MANAGEMENT_PROTOCOL_IN 0x10 +/* value for MI_REPORT_TARGET_PGS ext header */ +#define MI_EXT_HDR_PARAM_FMT 0x20 +/* values for maintenance out */ +#define MO_SET_IDENTIFYING_INFORMATION 0x06 +#define MO_SET_TARGET_PGS 0x0a +#define MO_CHANGE_ALIASES 0x0b +#define MO_SET_PRIORITY 0x0e +#define MO_SET_TIMESTAMP 0x0f +#define MO_MANAGEMENT_PROTOCOL_OUT 0x10 +/* values for variable length command */ +#define XDREAD_32 0x03 +#define XDWRITE_32 0x04 +#define XPWRITE_32 0x06 +#define XDWRITEREAD_32 0x07 +#define READ_32 0x09 +#define VERIFY_32 0x0a +#define WRITE_32 0x0b +#define WRITE_SAME_32 0x0d + +#define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f) +#define SERVICE_ACTION32(cdb) ((cdb[8] << 8) | cdb[9]) + +static const char * +scsi_trace_misc(struct trace_seq *, unsigned char *, int); + +static const char * +scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= ((cdb[1] & 0x1F) << 16); + lba |= (cdb[2] << 8); + lba |= cdb[3]; + txlen = cdb[4]; + + trace_seq_printf(p, "lba=%llu txlen=%llu", + (unsigned long long)lba, (unsigned long long)txlen); + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= (cdb[2] << 24); + lba |= (cdb[3] << 16); + lba |= (cdb[4] << 8); + lba |= cdb[5]; + txlen |= (cdb[7] << 8); + txlen |= cdb[8]; + + trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u", + (unsigned long long)lba, (unsigned long long)txlen, + cdb[1] >> 5); + + if (cdb[0] == WRITE_SAME) + trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1); + + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= (cdb[2] << 24); + lba |= (cdb[3] << 16); + lba |= (cdb[4] << 8); + lba |= cdb[5]; + txlen |= (cdb[6] << 24); + txlen |= (cdb[7] << 16); + txlen |= (cdb[8] << 8); + txlen |= cdb[9]; + + trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u", + (unsigned long long)lba, (unsigned long long)txlen, + cdb[1] >> 5); + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= ((u64)cdb[2] << 56); + lba |= ((u64)cdb[3] << 48); + lba |= ((u64)cdb[4] << 40); + lba |= ((u64)cdb[5] << 32); + lba |= (cdb[6] << 24); + lba |= (cdb[7] << 16); + lba |= (cdb[8] << 8); + lba |= cdb[9]; + txlen |= (cdb[10] << 24); + txlen |= (cdb[11] << 16); + txlen |= (cdb[12] << 8); + txlen |= cdb[13]; + + trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u", + (unsigned long long)lba, (unsigned long long)txlen, + cdb[1] >> 5); + + if (cdb[0] == WRITE_SAME_16) + trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1); + + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len, *cmd; + sector_t lba = 0, txlen = 0; + u32 ei_lbrt = 0; + + switch (SERVICE_ACTION32(cdb)) { + case READ_32: + cmd = "READ"; + break; + case VERIFY_32: + cmd = "VERIFY"; + break; + case WRITE_32: + cmd = "WRITE"; + break; + case WRITE_SAME_32: + cmd = "WRITE_SAME"; + break; + default: + trace_seq_printf(p, "UNKNOWN"); + goto out; + } + + lba |= ((u64)cdb[12] << 56); + lba |= ((u64)cdb[13] << 48); + lba |= ((u64)cdb[14] << 40); + lba |= ((u64)cdb[15] << 32); + lba |= (cdb[16] << 24); + lba |= (cdb[17] << 16); + lba |= (cdb[18] << 8); + lba |= cdb[19]; + ei_lbrt |= (cdb[20] << 24); + ei_lbrt |= (cdb[21] << 16); + ei_lbrt |= (cdb[22] << 8); + ei_lbrt |= cdb[23]; + txlen |= (cdb[28] << 24); + txlen |= (cdb[29] << 16); + txlen |= (cdb[30] << 8); + txlen |= cdb[31]; + + trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu protect=%u ei_lbrt=%u", + cmd, (unsigned long long)lba, + (unsigned long long)txlen, cdb[10] >> 5, ei_lbrt); + + if (SERVICE_ACTION32(cdb) == WRITE_SAME_32) + trace_seq_printf(p, " unmap=%u", cdb[10] >> 3 & 1); + +out: + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_unmap(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + unsigned int regions = cdb[7] << 8 | cdb[8]; + + trace_seq_printf(p, "regions=%u", (regions - 8) / 16); + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_service_action_in(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len, *cmd; + sector_t lba = 0; + u32 alloc_len = 0; + + switch (SERVICE_ACTION16(cdb)) { + case SAI_READ_CAPACITY_16: + cmd = "READ_CAPACITY_16"; + break; + case SAI_GET_LBA_STATUS: + cmd = "GET_LBA_STATUS"; + break; + default: + trace_seq_printf(p, "UNKNOWN"); + goto out; + } + + lba |= ((u64)cdb[2] << 56); + lba |= ((u64)cdb[3] << 48); + lba |= ((u64)cdb[4] << 40); + lba |= ((u64)cdb[5] << 32); + lba |= (cdb[6] << 24); + lba |= (cdb[7] << 16); + lba |= (cdb[8] << 8); + lba |= cdb[9]; + alloc_len |= (cdb[10] << 24); + alloc_len |= (cdb[11] << 16); + alloc_len |= (cdb[12] << 8); + alloc_len |= cdb[13]; + + trace_seq_printf(p, "%s lba=%llu alloc_len=%u", cmd, + (unsigned long long)lba, alloc_len); + +out: + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len) +{ + switch (SERVICE_ACTION32(cdb)) { + case READ_32: + case VERIFY_32: + case WRITE_32: + case WRITE_SAME_32: + return scsi_trace_rw32(p, cdb, len); + default: + return scsi_trace_misc(p, cdb, len); + } +} + +static const char * +scsi_trace_misc(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + + trace_seq_printf(p, "-"); + trace_seq_putc(p, 0); + return ret; +} + +const char * +scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len) +{ + switch (cdb[0]) { + case READ_6: + case WRITE_6: + return scsi_trace_rw6(p, cdb, len); + case READ_10: + case VERIFY: + case WRITE_10: + case WRITE_SAME: + return scsi_trace_rw10(p, cdb, len); + case READ_12: + case VERIFY_12: + case WRITE_12: + return scsi_trace_rw12(p, cdb, len); + case READ_16: + case VERIFY_16: + case WRITE_16: + case WRITE_SAME_16: + return scsi_trace_rw16(p, cdb, len); + case UNMAP: + return scsi_trace_unmap(p, cdb, len); + case SERVICE_ACTION_IN_16: + return scsi_trace_service_action_in(p, cdb, len); + case VARIABLE_LENGTH_CMD: + return scsi_trace_varlen(p, cdb, len); + default: + return scsi_trace_misc(p, cdb, len); + } +} + +unsigned long long process_scsi_trace_parse_cdb(struct trace_seq *s, + unsigned long long *args) +{ + scsi_trace_parse_cdb(s, (unsigned char *) (unsigned long) args[1], args[2]); + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_print_function(tep, + process_scsi_trace_parse_cdb, + TEP_FUNC_ARG_STRING, + "scsi_trace_parse_cdb", + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_VOID); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_print_function(tep, process_scsi_trace_parse_cdb, + "scsi_trace_parse_cdb"); +} diff --git a/tools/lib/traceevent/plugins/plugin_tlb.c b/tools/lib/traceevent/plugins/plugin_tlb.c new file mode 100644 index 000000000..43657fb60 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_tlb.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2015 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" + +enum tlb_flush_reason { + TLB_FLUSH_ON_TASK_SWITCH, + TLB_REMOTE_SHOOTDOWN, + TLB_LOCAL_SHOOTDOWN, + TLB_LOCAL_MM_SHOOTDOWN, + NR_TLB_FLUSH_REASONS, +}; + +static int tlb_flush_handler(struct trace_seq *s, struct tep_record *record, + struct tep_event *event, void *context) +{ + unsigned long long val; + + trace_seq_printf(s, "pages="); + + tep_print_num_field(s, "%ld", event, "pages", record, 1); + + if (tep_get_field_val(s, event, "reason", record, &val, 1) < 0) + return -1; + + trace_seq_puts(s, " reason="); + + switch (val) { + case TLB_FLUSH_ON_TASK_SWITCH: + trace_seq_puts(s, "flush on task switch"); + break; + case TLB_REMOTE_SHOOTDOWN: + trace_seq_puts(s, "remote shootdown"); + break; + case TLB_LOCAL_SHOOTDOWN: + trace_seq_puts(s, "local shootdown"); + break; + case TLB_LOCAL_MM_SHOOTDOWN: + trace_seq_puts(s, "local mm shootdown"); + break; + } + + trace_seq_printf(s, " (%lld)", val); + + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_event_handler(tep, -1, "tlb", "tlb_flush", + tlb_flush_handler, NULL); + + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_event_handler(tep, -1, + "tlb", "tlb_flush", + tlb_flush_handler, NULL); +} diff --git a/tools/lib/traceevent/plugins/plugin_xen.c b/tools/lib/traceevent/plugins/plugin_xen.c new file mode 100644 index 000000000..993b208d0 --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_xen.c @@ -0,0 +1,138 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "event-parse.h" +#include "trace-seq.h" + +#define __HYPERVISOR_set_trap_table 0 +#define __HYPERVISOR_mmu_update 1 +#define __HYPERVISOR_set_gdt 2 +#define __HYPERVISOR_stack_switch 3 +#define __HYPERVISOR_set_callbacks 4 +#define __HYPERVISOR_fpu_taskswitch 5 +#define __HYPERVISOR_sched_op_compat 6 +#define __HYPERVISOR_dom0_op 7 +#define __HYPERVISOR_set_debugreg 8 +#define __HYPERVISOR_get_debugreg 9 +#define __HYPERVISOR_update_descriptor 10 +#define __HYPERVISOR_memory_op 12 +#define __HYPERVISOR_multicall 13 +#define __HYPERVISOR_update_va_mapping 14 +#define __HYPERVISOR_set_timer_op 15 +#define __HYPERVISOR_event_channel_op_compat 16 +#define __HYPERVISOR_xen_version 17 +#define __HYPERVISOR_console_io 18 +#define __HYPERVISOR_physdev_op_compat 19 +#define __HYPERVISOR_grant_table_op 20 +#define __HYPERVISOR_vm_assist 21 +#define __HYPERVISOR_update_va_mapping_otherdomain 22 +#define __HYPERVISOR_iret 23 /* x86 only */ +#define __HYPERVISOR_vcpu_op 24 +#define __HYPERVISOR_set_segment_base 25 /* x86/64 only */ +#define __HYPERVISOR_mmuext_op 26 +#define __HYPERVISOR_acm_op 27 +#define __HYPERVISOR_nmi_op 28 +#define __HYPERVISOR_sched_op 29 +#define __HYPERVISOR_callback_op 30 +#define __HYPERVISOR_xenoprof_op 31 +#define __HYPERVISOR_event_channel_op 32 +#define __HYPERVISOR_physdev_op 33 +#define __HYPERVISOR_hvm_op 34 +#define __HYPERVISOR_tmem_op 38 + +/* Architecture-specific hypercall definitions. */ +#define __HYPERVISOR_arch_0 48 +#define __HYPERVISOR_arch_1 49 +#define __HYPERVISOR_arch_2 50 +#define __HYPERVISOR_arch_3 51 +#define __HYPERVISOR_arch_4 52 +#define __HYPERVISOR_arch_5 53 +#define __HYPERVISOR_arch_6 54 +#define __HYPERVISOR_arch_7 55 + +#define N(x) [__HYPERVISOR_##x] = "("#x")" +static const char *xen_hypercall_names[] = { + N(set_trap_table), + N(mmu_update), + N(set_gdt), + N(stack_switch), + N(set_callbacks), + N(fpu_taskswitch), + N(sched_op_compat), + N(dom0_op), + N(set_debugreg), + N(get_debugreg), + N(update_descriptor), + N(memory_op), + N(multicall), + N(update_va_mapping), + N(set_timer_op), + N(event_channel_op_compat), + N(xen_version), + N(console_io), + N(physdev_op_compat), + N(grant_table_op), + N(vm_assist), + N(update_va_mapping_otherdomain), + N(iret), + N(vcpu_op), + N(set_segment_base), + N(mmuext_op), + N(acm_op), + N(nmi_op), + N(sched_op), + N(callback_op), + N(xenoprof_op), + N(event_channel_op), + N(physdev_op), + N(hvm_op), + +/* Architecture-specific hypercall definitions. */ + N(arch_0), + N(arch_1), + N(arch_2), + N(arch_3), + N(arch_4), + N(arch_5), + N(arch_6), + N(arch_7), +}; +#undef N + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +static const char *xen_hypercall_name(unsigned op) +{ + if (op < ARRAY_SIZE(xen_hypercall_names) && + xen_hypercall_names[op] != NULL) + return xen_hypercall_names[op]; + + return ""; +} + +unsigned long long process_xen_hypercall_name(struct trace_seq *s, + unsigned long long *args) +{ + unsigned int op = args[0]; + + trace_seq_printf(s, "%s", xen_hypercall_name(op)); + return 0; +} + +int TEP_PLUGIN_LOADER(struct tep_handle *tep) +{ + tep_register_print_function(tep, + process_xen_hypercall_name, + TEP_FUNC_ARG_STRING, + "xen_hypercall_name", + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_VOID); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) +{ + tep_unregister_print_function(tep, process_xen_hypercall_name, + "xen_hypercall_name"); +} |