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-rw-r--r--tools/perf/util/machine.c225
1 files changed, 89 insertions, 136 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 07c22f765f..8477edefc2 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -16,6 +16,7 @@
#include "map_symbol.h"
#include "branch.h"
#include "mem-events.h"
+#include "mem-info.h"
#include "path.h"
#include "srcline.h"
#include "symbol.h"
@@ -48,13 +49,6 @@ static struct dso *machine__kernel_dso(struct machine *machine)
return map__dso(machine->vmlinux_map);
}
-static void dsos__init(struct dsos *dsos)
-{
- INIT_LIST_HEAD(&dsos->head);
- dsos->root = RB_ROOT;
- init_rwsem(&dsos->lock);
-}
-
static int machine__set_mmap_name(struct machine *machine)
{
if (machine__is_host(machine))
@@ -165,28 +159,6 @@ struct machine *machine__new_kallsyms(void)
return machine;
}
-static void dsos__purge(struct dsos *dsos)
-{
- struct dso *pos, *n;
-
- down_write(&dsos->lock);
-
- list_for_each_entry_safe(pos, n, &dsos->head, node) {
- RB_CLEAR_NODE(&pos->rb_node);
- pos->root = NULL;
- list_del_init(&pos->node);
- dso__put(pos);
- }
-
- up_write(&dsos->lock);
-}
-
-static void dsos__exit(struct dsos *dsos)
-{
- dsos__purge(dsos);
- exit_rwsem(&dsos->lock);
-}
-
void machine__delete_threads(struct machine *machine)
{
threads__remove_all_threads(&machine->threads);
@@ -675,31 +647,6 @@ int machine__process_lost_samples_event(struct machine *machine __maybe_unused,
return 0;
}
-static struct dso *machine__findnew_module_dso(struct machine *machine,
- struct kmod_path *m,
- const char *filename)
-{
- struct dso *dso;
-
- down_write(&machine->dsos.lock);
-
- dso = __dsos__find(&machine->dsos, m->name, true);
- if (!dso) {
- dso = __dsos__addnew(&machine->dsos, m->name);
- if (dso == NULL)
- goto out_unlock;
-
- dso__set_module_info(dso, m, machine);
- dso__set_long_name(dso, strdup(filename), true);
- dso->kernel = DSO_SPACE__KERNEL;
- }
-
- dso__get(dso);
-out_unlock:
- up_write(&machine->dsos.lock);
- return dso;
-}
-
int machine__process_aux_event(struct machine *machine __maybe_unused,
union perf_event *event)
{
@@ -737,7 +684,7 @@ static int machine__process_ksymbol_register(struct machine *machine,
struct perf_sample *sample __maybe_unused)
{
struct symbol *sym;
- struct dso *dso;
+ struct dso *dso = NULL;
struct map *map = maps__find(machine__kernel_maps(machine), event->ksymbol.addr);
int err = 0;
@@ -748,16 +695,15 @@ static int machine__process_ksymbol_register(struct machine *machine,
err = -ENOMEM;
goto out;
}
- dso->kernel = DSO_SPACE__KERNEL;
+ dso__set_kernel(dso, DSO_SPACE__KERNEL);
map = map__new2(0, dso);
- dso__put(dso);
if (!map) {
err = -ENOMEM;
goto out;
}
if (event->ksymbol.ksym_type == PERF_RECORD_KSYMBOL_TYPE_OOL) {
- dso->binary_type = DSO_BINARY_TYPE__OOL;
- dso->data.file_size = event->ksymbol.len;
+ dso__set_binary_type(dso, DSO_BINARY_TYPE__OOL);
+ dso__data(dso)->file_size = event->ksymbol.len;
dso__set_loaded(dso);
}
@@ -772,11 +718,11 @@ static int machine__process_ksymbol_register(struct machine *machine,
dso__set_loaded(dso);
if (is_bpf_image(event->ksymbol.name)) {
- dso->binary_type = DSO_BINARY_TYPE__BPF_IMAGE;
+ dso__set_binary_type(dso, DSO_BINARY_TYPE__BPF_IMAGE);
dso__set_long_name(dso, "", false);
}
} else {
- dso = map__dso(map);
+ dso = dso__get(map__dso(map));
}
sym = symbol__new(map__map_ip(map, map__start(map)),
@@ -789,6 +735,7 @@ static int machine__process_ksymbol_register(struct machine *machine,
dso__insert_symbol(dso, sym);
out:
map__put(map);
+ dso__put(dso);
return err;
}
@@ -883,7 +830,7 @@ static struct map *machine__addnew_module_map(struct machine *machine, u64 start
if (kmod_path__parse_name(&m, filename))
return NULL;
- dso = machine__findnew_module_dso(machine, &m, filename);
+ dso = dsos__findnew_module_dso(&machine->dsos, machine, &m, filename);
if (dso == NULL)
goto out;
@@ -907,11 +854,11 @@ out:
size_t machines__fprintf_dsos(struct machines *machines, FILE *fp)
{
struct rb_node *nd;
- size_t ret = __dsos__fprintf(&machines->host.dsos.head, fp);
+ size_t ret = dsos__fprintf(&machines->host.dsos, fp);
for (nd = rb_first_cached(&machines->guests); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret += __dsos__fprintf(&pos->dsos.head, fp);
+ ret += dsos__fprintf(&pos->dsos, fp);
}
return ret;
@@ -920,7 +867,7 @@ size_t machines__fprintf_dsos(struct machines *machines, FILE *fp)
size_t machine__fprintf_dsos_buildid(struct machine *m, FILE *fp,
bool (skip)(struct dso *dso, int parm), int parm)
{
- return __dsos__fprintf_buildid(&m->dsos.head, fp, skip, parm);
+ return dsos__fprintf_buildid(&m->dsos, fp, skip, parm);
}
size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
@@ -942,17 +889,17 @@ size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp)
size_t printed = 0;
struct dso *kdso = machine__kernel_dso(machine);
- if (kdso->has_build_id) {
+ if (dso__has_build_id(kdso)) {
char filename[PATH_MAX];
- if (dso__build_id_filename(kdso, filename, sizeof(filename),
- false))
+
+ if (dso__build_id_filename(kdso, filename, sizeof(filename), false))
printed += fprintf(fp, "[0] %s\n", filename);
}
- for (i = 0; i < vmlinux_path__nr_entries; ++i)
- printed += fprintf(fp, "[%d] %s\n",
- i + kdso->has_build_id, vmlinux_path[i]);
-
+ for (i = 0; i < vmlinux_path__nr_entries; ++i) {
+ printed += fprintf(fp, "[%d] %s\n", i + dso__has_build_id(kdso),
+ vmlinux_path[i]);
+ }
return printed;
}
@@ -1002,7 +949,7 @@ static struct dso *machine__get_kernel(struct machine *machine)
DSO_SPACE__KERNEL_GUEST);
}
- if (kernel != NULL && (!kernel->has_build_id))
+ if (kernel != NULL && (!dso__has_build_id(kernel)))
dso__read_running_kernel_build_id(kernel, machine);
return kernel;
@@ -1367,8 +1314,8 @@ static char *get_kernel_version(const char *root_dir)
static bool is_kmod_dso(struct dso *dso)
{
- return dso->symtab_type == DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE ||
- dso->symtab_type == DSO_BINARY_TYPE__GUEST_KMODULE;
+ return dso__symtab_type(dso) == DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE ||
+ dso__symtab_type(dso) == DSO_BINARY_TYPE__GUEST_KMODULE;
}
static int maps__set_module_path(struct maps *maps, const char *path, struct kmod_path *m)
@@ -1395,8 +1342,8 @@ static int maps__set_module_path(struct maps *maps, const char *path, struct kmo
* we need to update the symtab_type if needed.
*/
if (m->comp && is_kmod_dso(dso)) {
- dso->symtab_type++;
- dso->comp = m->comp;
+ dso__set_symtab_type(dso, dso__symtab_type(dso));
+ dso__set_comp(dso, m->comp);
}
map__put(map);
return 0;
@@ -1616,16 +1563,14 @@ out_put:
return ret;
}
-static bool machine__uses_kcore(struct machine *machine)
+static int machine__uses_kcore_cb(struct dso *dso, void *data __maybe_unused)
{
- struct dso *dso;
-
- list_for_each_entry(dso, &machine->dsos.head, node) {
- if (dso__is_kcore(dso))
- return true;
- }
+ return dso__is_kcore(dso) ? 1 : 0;
+}
- return false;
+static bool machine__uses_kcore(struct machine *machine)
+{
+ return dsos__for_each_dso(&machine->dsos, machine__uses_kcore_cb, NULL) != 0 ? true : false;
}
static bool perf_event__is_extra_kernel_mmap(struct machine *machine,
@@ -1692,53 +1637,20 @@ static int machine__process_kernel_mmap_event(struct machine *machine,
* Should be there already, from the build-id table in
* the header.
*/
- struct dso *kernel = NULL;
- struct dso *dso;
-
- down_read(&machine->dsos.lock);
-
- list_for_each_entry(dso, &machine->dsos.head, node) {
-
- /*
- * The cpumode passed to is_kernel_module is not the
- * cpumode of *this* event. If we insist on passing
- * correct cpumode to is_kernel_module, we should
- * record the cpumode when we adding this dso to the
- * linked list.
- *
- * However we don't really need passing correct
- * cpumode. We know the correct cpumode must be kernel
- * mode (if not, we should not link it onto kernel_dsos
- * list).
- *
- * Therefore, we pass PERF_RECORD_MISC_CPUMODE_UNKNOWN.
- * is_kernel_module() treats it as a kernel cpumode.
- */
-
- if (!dso->kernel ||
- is_kernel_module(dso->long_name,
- PERF_RECORD_MISC_CPUMODE_UNKNOWN))
- continue;
-
-
- kernel = dso__get(dso);
- break;
- }
-
- up_read(&machine->dsos.lock);
+ struct dso *kernel = dsos__find_kernel_dso(&machine->dsos);
if (kernel == NULL)
kernel = machine__findnew_dso(machine, machine->mmap_name);
if (kernel == NULL)
goto out_problem;
- kernel->kernel = dso_space;
+ dso__set_kernel(kernel, dso_space);
if (__machine__create_kernel_maps(machine, kernel) < 0) {
dso__put(kernel);
goto out_problem;
}
- if (strstr(kernel->long_name, "vmlinux"))
+ if (strstr(dso__long_name(kernel), "vmlinux"))
dso__set_short_name(kernel, "[kernel.vmlinux]", false);
if (machine__update_kernel_mmap(machine, xm->start, xm->end) < 0) {
@@ -2101,11 +2013,11 @@ struct mem_info *sample__resolve_mem(struct perf_sample *sample,
if (!mi)
return NULL;
- ip__resolve_ams(al->thread, &mi->iaddr, sample->ip);
- ip__resolve_data(al->thread, al->cpumode, &mi->daddr,
+ ip__resolve_ams(al->thread, mem_info__iaddr(mi), sample->ip);
+ ip__resolve_data(al->thread, al->cpumode, mem_info__daddr(mi),
sample->addr, sample->phys_addr,
sample->data_page_size);
- mi->data_src.val = sample->data_src;
+ mem_info__data_src(mi)->val = sample->data_src;
return mi;
}
@@ -2120,14 +2032,14 @@ static char *callchain_srcline(struct map_symbol *ms, u64 ip)
return srcline;
dso = map__dso(map);
- srcline = srcline__tree_find(&dso->srclines, ip);
+ srcline = srcline__tree_find(dso__srclines(dso), ip);
if (!srcline) {
bool show_sym = false;
bool show_addr = callchain_param.key == CCKEY_ADDRESS;
srcline = get_srcline(dso, map__rip_2objdump(map, ip),
ms->sym, show_sym, show_addr, ip);
- srcline__tree_insert(&dso->srclines, ip, srcline);
+ srcline__tree_insert(dso__srclines(dso), ip, srcline);
}
return srcline;
@@ -2925,12 +2837,12 @@ static int append_inlines(struct callchain_cursor *cursor, struct map_symbol *ms
addr = map__rip_2objdump(map, addr);
dso = map__dso(map);
- inline_node = inlines__tree_find(&dso->inlined_nodes, addr);
+ inline_node = inlines__tree_find(dso__inlined_nodes(dso), addr);
if (!inline_node) {
inline_node = dso__parse_addr_inlines(dso, addr, sym);
if (!inline_node)
return ret;
- inlines__tree_insert(&dso->inlined_nodes, inline_node);
+ inlines__tree_insert(dso__inlined_nodes(dso), inline_node);
}
ilist_ms = (struct map_symbol) {
@@ -3219,21 +3131,33 @@ char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, ch
if (sym == NULL)
return NULL;
- *modp = __map__is_kmodule(map) ? (char *)map__dso(map)->short_name : NULL;
+ *modp = __map__is_kmodule(map) ? (char *)dso__short_name(map__dso(map)) : NULL;
*addrp = map__unmap_ip(map, sym->start);
return sym->name;
}
+struct machine__for_each_dso_cb_args {
+ struct machine *machine;
+ machine__dso_t fn;
+ void *priv;
+};
+
+static int machine__for_each_dso_cb(struct dso *dso, void *data)
+{
+ struct machine__for_each_dso_cb_args *args = data;
+
+ return args->fn(dso, args->machine, args->priv);
+}
+
int machine__for_each_dso(struct machine *machine, machine__dso_t fn, void *priv)
{
- struct dso *pos;
- int err = 0;
+ struct machine__for_each_dso_cb_args args = {
+ .machine = machine,
+ .fn = fn,
+ .priv = priv,
+ };
- list_for_each_entry(pos, &machine->dsos.head, node) {
- if (fn(pos, machine, priv))
- err = -1;
- }
- return err;
+ return dsos__for_each_dso(&machine->dsos, machine__for_each_dso_cb, &args);
}
int machine__for_each_kernel_map(struct machine *machine, machine__map_t fn, void *priv)
@@ -3266,6 +3190,17 @@ bool machine__is_lock_function(struct machine *machine, u64 addr)
sym = machine__find_kernel_symbol_by_name(machine, "__lock_text_end", &kmap);
machine->lock.text_end = map__unmap_ip(kmap, sym->start);
+
+ sym = machine__find_kernel_symbol_by_name(machine, "__traceiter_contention_begin", &kmap);
+ if (sym) {
+ machine->traceiter.text_start = map__unmap_ip(kmap, sym->start);
+ machine->traceiter.text_end = map__unmap_ip(kmap, sym->end);
+ }
+ sym = machine__find_kernel_symbol_by_name(machine, "trace_contention_begin", &kmap);
+ if (sym) {
+ machine->trace.text_start = map__unmap_ip(kmap, sym->start);
+ machine->trace.text_end = map__unmap_ip(kmap, sym->end);
+ }
}
/* failed to get kernel symbols */
@@ -3280,5 +3215,23 @@ bool machine__is_lock_function(struct machine *machine, u64 addr)
if (machine->lock.text_start <= addr && addr < machine->lock.text_end)
return true;
+ /* traceiter functions currently don't have their own section
+ * but we consider them lock functions
+ */
+ if (machine->traceiter.text_start != 0) {
+ if (machine->traceiter.text_start <= addr && addr < machine->traceiter.text_end)
+ return true;
+ }
+
+ if (machine->trace.text_start != 0) {
+ if (machine->trace.text_start <= addr && addr < machine->trace.text_end)
+ return true;
+ }
+
return false;
}
+
+int machine__hit_all_dsos(struct machine *machine)
+{
+ return dsos__hit_all(&machine->dsos);
+}