diff options
Diffstat (limited to 'src/spdk/app/iscsi_top')
| -rw-r--r-- | src/spdk/app/iscsi_top/.gitignore | 1 | ||||
| -rw-r--r-- | src/spdk/app/iscsi_top/Makefile | 53 | ||||
| -rw-r--r-- | src/spdk/app/iscsi_top/iscsi_top.cpp | 251 |
3 files changed, 305 insertions, 0 deletions
diff --git a/src/spdk/app/iscsi_top/.gitignore b/src/spdk/app/iscsi_top/.gitignore new file mode 100644 index 00000000..7d90ff34 --- /dev/null +++ b/src/spdk/app/iscsi_top/.gitignore @@ -0,0 +1 @@ +iscsi_top diff --git a/src/spdk/app/iscsi_top/Makefile b/src/spdk/app/iscsi_top/Makefile new file mode 100644 index 00000000..e4f9f573 --- /dev/null +++ b/src/spdk/app/iscsi_top/Makefile @@ -0,0 +1,53 @@ +# +# BSD LICENSE +# +# Copyright (c) Intel Corporation. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..) +include $(SPDK_ROOT_DIR)/mk/spdk.common.mk +include $(SPDK_ROOT_DIR)/mk/spdk.app.mk + +CXXFLAGS += $(ENV_CXXFLAGS) +CXXFLAGS += -I$(SPDK_ROOT_DIR)/lib +CXX_SRCS = iscsi_top.cpp + +APP = iscsi_top + +all: $(APP) + @: + +$(APP) : $(OBJS) + $(LINK_CXX) + +clean: + $(CLEAN_C) $(APP) + +include $(SPDK_ROOT_DIR)/mk/spdk.deps.mk diff --git a/src/spdk/app/iscsi_top/iscsi_top.cpp b/src/spdk/app/iscsi_top/iscsi_top.cpp new file mode 100644 index 00000000..50449b59 --- /dev/null +++ b/src/spdk/app/iscsi_top/iscsi_top.cpp @@ -0,0 +1,251 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/stdinc.h" + +#include <algorithm> +#include <map> +#include <vector> + +extern "C" { +#include "spdk/trace.h" +#include "iscsi/conn.h" +} + +static char *exe_name; +static int g_shm_id = 0; + +static void usage(void) +{ + fprintf(stderr, "usage:\n"); + fprintf(stderr, " %s <option>\n", exe_name); + fprintf(stderr, " option = '-i' to specify the shared memory ID," + " (required)\n"); +} + +static bool +conns_compare(struct spdk_iscsi_conn *first, struct spdk_iscsi_conn *second) +{ + if (first->lcore < second->lcore) { + return true; + } + + if (first->lcore > second->lcore) { + return false; + } + + if (first->id < second->id) { + return true; + } + + return false; +} + +static void +print_connections(void) +{ + std::vector<struct spdk_iscsi_conn *> v; + std::vector<struct spdk_iscsi_conn *>::iterator iter; + size_t conns_size; + struct spdk_iscsi_conn *conns, *conn; + void *conns_ptr; + int fd, i; + char shm_name[64]; + + snprintf(shm_name, sizeof(shm_name), "/spdk_iscsi_conns.%d", g_shm_id); + fd = shm_open(shm_name, O_RDONLY, 0600); + if (fd < 0) { + fprintf(stderr, "Cannot open shared memory: %s\n", shm_name); + usage(); + exit(1); + } + + conns_size = sizeof(*conns) * MAX_ISCSI_CONNECTIONS; + + conns_ptr = mmap(NULL, conns_size, PROT_READ, MAP_SHARED, fd, 0); + if (conns_ptr == MAP_FAILED) { + fprintf(stderr, "Cannot mmap shared memory (%d)\n", errno); + exit(1); + } + + conns = (struct spdk_iscsi_conn *)conns_ptr; + + for (i = 0; i < MAX_ISCSI_CONNECTIONS; i++) { + if (!conns[i].is_valid) { + continue; + } + v.push_back(&conns[i]); + } + + stable_sort(v.begin(), v.end(), conns_compare); + for (iter = v.begin(); iter != v.end(); iter++) { + conn = *iter; + printf("lcore %2d conn %3d T:%-8s I:%s (%s)\n", + conn->lcore, conn->id, + conn->target_short_name, conn->initiator_name, + conn->initiator_addr); + } + + printf("\n"); + munmap(conns, conns_size); + close(fd); +} + +int main(int argc, char **argv) +{ + void *history_ptr; + struct spdk_trace_histories *histories; + struct spdk_trace_history *history; + + uint64_t tasks_done, last_tasks_done[SPDK_TRACE_MAX_LCORE]; + int delay, old_delay, history_fd, i, quit, rc; + int tasks_done_delta, tasks_done_per_sec; + int total_tasks_done_per_sec; + struct timeval timeout; + fd_set fds; + char ch; + struct termios oldt, newt; + char spdk_trace_shm_name[64]; + int op; + + exe_name = argv[0]; + while ((op = getopt(argc, argv, "i:")) != -1) { + switch (op) { + case 'i': + g_shm_id = atoi(optarg); + break; + default: + usage(); + exit(1); + } + } + + snprintf(spdk_trace_shm_name, sizeof(spdk_trace_shm_name), "/iscsi_trace.%d", g_shm_id); + history_fd = shm_open(spdk_trace_shm_name, O_RDONLY, 0600); + if (history_fd < 0) { + fprintf(stderr, "Unable to open history shm %s\n", spdk_trace_shm_name); + usage(); + exit(1); + } + + history_ptr = mmap(NULL, sizeof(*histories), PROT_READ, MAP_SHARED, history_fd, 0); + if (history_ptr == MAP_FAILED) { + fprintf(stderr, "Unable to mmap history shm (%d).\n", errno); + exit(1); + } + + histories = (struct spdk_trace_histories *)history_ptr; + + memset(last_tasks_done, 0, sizeof(last_tasks_done)); + + for (i = 0; i < SPDK_TRACE_MAX_LCORE; i++) { + history = &histories->per_lcore_history[i]; + last_tasks_done[i] = history->tpoint_count[TRACE_ISCSI_TASK_DONE]; + } + + delay = 1; + quit = 0; + + tcgetattr(0, &oldt); + newt = oldt; + newt.c_lflag &= ~(ICANON); + tcsetattr(0, TCSANOW, &newt); + + while (1) { + + FD_ZERO(&fds); + FD_SET(0, &fds); + timeout.tv_sec = delay; + timeout.tv_usec = 0; + rc = select(2, &fds, NULL, NULL, &timeout); + + if (rc > 0) { + if (read(0, &ch, 1) != 1) { + fprintf(stderr, "Read error on stdin\n"); + goto cleanup; + } + + printf("\b"); + switch (ch) { + case 'd': + printf("Enter num seconds to delay (1-10): "); + old_delay = delay; + rc = scanf("%d", &delay); + if (rc != 1) { + fprintf(stderr, "Illegal delay value\n"); + delay = old_delay; + } else if (delay < 1 || delay > 10) { + delay = 1; + } + break; + case 'q': + quit = 1; + break; + default: + fprintf(stderr, "'%c' not recognized\n", ch); + break; + } + + if (quit == 1) { + break; + } + } + + printf("\e[1;1H\e[2J"); + print_connections(); + printf("lcore tasks\n"); + printf("=============\n"); + total_tasks_done_per_sec = 0; + for (i = 0; i < SPDK_TRACE_MAX_LCORE; i++) { + history = &histories->per_lcore_history[i]; + tasks_done = history->tpoint_count[TRACE_ISCSI_TASK_DONE]; + tasks_done_delta = tasks_done - last_tasks_done[i]; + if (tasks_done_delta == 0) { + continue; + } + last_tasks_done[i] = tasks_done; + tasks_done_per_sec = tasks_done_delta / delay; + printf("%5d %7d\n", history->lcore, tasks_done_per_sec); + total_tasks_done_per_sec += tasks_done_per_sec; + } + printf("Total %7d\n", total_tasks_done_per_sec); + } + +cleanup: + tcsetattr(0, TCSANOW, &oldt); + + munmap(history_ptr, sizeof(*histories)); + close(history_fd); + + return (0); +} |