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-rw-r--r--tools/perf/bench/mem-memcpy-arch.h2
-rw-r--r--tools/perf/bench/mem-memcpy.c2
-rw-r--r--tools/perf/bench/mem-memset-arch.h2
-rw-r--r--tools/perf/bench/mem-memset.c2
-rw-r--r--tools/perf/bench/numa.c38
-rw-r--r--tools/perf/bench/sched-pipe.c115
6 files changed, 113 insertions, 48 deletions
diff --git a/tools/perf/bench/mem-memcpy-arch.h b/tools/perf/bench/mem-memcpy-arch.h
index a72e36c..57b4ed8 100644
--- a/tools/perf/bench/mem-memcpy-arch.h
+++ b/tools/perf/bench/mem-memcpy-arch.h
@@ -1,5 +1,5 @@
-#ifdef ARCH_X86_64
+#ifdef HAVE_ARCH_X86_64_SUPPORT
#define MEMCPY_FN(fn, name, desc) \
extern void *fn(void *, const void *, size_t);
diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c
index 8cdca43..5ce71d3 100644
--- a/tools/perf/bench/mem-memcpy.c
+++ b/tools/perf/bench/mem-memcpy.c
@@ -58,7 +58,7 @@ struct routine routines[] = {
{ "default",
"Default memcpy() provided by glibc",
memcpy },
-#ifdef ARCH_X86_64
+#ifdef HAVE_ARCH_X86_64_SUPPORT
#define MEMCPY_FN(fn, name, desc) { name, desc, fn },
#include "mem-memcpy-x86-64-asm-def.h"
diff --git a/tools/perf/bench/mem-memset-arch.h b/tools/perf/bench/mem-memset-arch.h
index a040fa7..633800c 100644
--- a/tools/perf/bench/mem-memset-arch.h
+++ b/tools/perf/bench/mem-memset-arch.h
@@ -1,5 +1,5 @@
-#ifdef ARCH_X86_64
+#ifdef HAVE_ARCH_X86_64_SUPPORT
#define MEMSET_FN(fn, name, desc) \
extern void *fn(void *, int, size_t);
diff --git a/tools/perf/bench/mem-memset.c b/tools/perf/bench/mem-memset.c
index 4a2f120..9af79d2 100644
--- a/tools/perf/bench/mem-memset.c
+++ b/tools/perf/bench/mem-memset.c
@@ -58,7 +58,7 @@ static const struct routine routines[] = {
{ "default",
"Default memset() provided by glibc",
memset },
-#ifdef ARCH_X86_64
+#ifdef HAVE_ARCH_X86_64_SUPPORT
#define MEMSET_FN(fn, name, desc) { name, desc, fn },
#include "mem-memset-x86-64-asm-def.h"
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 30d1c32..d4c83c6 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -429,14 +429,14 @@ static int parse_cpu_list(const char *arg)
return 0;
}
-static void parse_setup_cpu_list(void)
+static int parse_setup_cpu_list(void)
{
struct thread_data *td;
char *str0, *str;
int t;
if (!g->p.cpu_list_str)
- return;
+ return 0;
dprintf("g->p.nr_tasks: %d\n", g->p.nr_tasks);
@@ -500,8 +500,12 @@ static void parse_setup_cpu_list(void)
dprintf("CPUs: %d_%d-%d#%dx%d\n", bind_cpu_0, bind_len, bind_cpu_1, step, mul);
- BUG_ON(bind_cpu_0 < 0 || bind_cpu_0 >= g->p.nr_cpus);
- BUG_ON(bind_cpu_1 < 0 || bind_cpu_1 >= g->p.nr_cpus);
+ if (bind_cpu_0 >= g->p.nr_cpus || bind_cpu_1 >= g->p.nr_cpus) {
+ printf("\nTest not applicable, system has only %d CPUs.\n", g->p.nr_cpus);
+ return -1;
+ }
+
+ BUG_ON(bind_cpu_0 < 0 || bind_cpu_1 < 0);
BUG_ON(bind_cpu_0 > bind_cpu_1);
for (bind_cpu = bind_cpu_0; bind_cpu <= bind_cpu_1; bind_cpu += step) {
@@ -541,6 +545,7 @@ out:
printf("# NOTE: %d tasks bound, %d tasks unbound\n", t, g->p.nr_tasks - t);
free(str0);
+ return 0;
}
static int parse_cpus_opt(const struct option *opt __maybe_unused,
@@ -561,14 +566,14 @@ static int parse_node_list(const char *arg)
return 0;
}
-static void parse_setup_node_list(void)
+static int parse_setup_node_list(void)
{
struct thread_data *td;
char *str0, *str;
int t;
if (!g->p.node_list_str)
- return;
+ return 0;
dprintf("g->p.nr_tasks: %d\n", g->p.nr_tasks);
@@ -619,8 +624,12 @@ static void parse_setup_node_list(void)
dprintf("NODEs: %d-%d #%d\n", bind_node_0, bind_node_1, step);
- BUG_ON(bind_node_0 < 0 || bind_node_0 >= g->p.nr_nodes);
- BUG_ON(bind_node_1 < 0 || bind_node_1 >= g->p.nr_nodes);
+ if (bind_node_0 >= g->p.nr_nodes || bind_node_1 >= g->p.nr_nodes) {
+ printf("\nTest not applicable, system has only %d nodes.\n", g->p.nr_nodes);
+ return -1;
+ }
+
+ BUG_ON(bind_node_0 < 0 || bind_node_1 < 0);
BUG_ON(bind_node_0 > bind_node_1);
for (bind_node = bind_node_0; bind_node <= bind_node_1; bind_node += step) {
@@ -651,6 +660,7 @@ out:
printf("# NOTE: %d tasks mem-bound, %d tasks unbound\n", t, g->p.nr_tasks - t);
free(str0);
+ return 0;
}
static int parse_nodes_opt(const struct option *opt __maybe_unused,
@@ -1110,7 +1120,7 @@ static void *worker_thread(void *__tdata)
/* Check whether our max runtime timed out: */
if (g->p.nr_secs) {
timersub(&stop, &start0, &diff);
- if (diff.tv_sec >= g->p.nr_secs) {
+ if ((u32)diff.tv_sec >= g->p.nr_secs) {
g->stop_work = true;
break;
}
@@ -1157,7 +1167,7 @@ static void *worker_thread(void *__tdata)
runtime_ns_max += diff.tv_usec * 1000;
if (details >= 0) {
- printf(" #%2d / %2d: %14.2lf nsecs/op [val: %016lx]\n",
+ printf(" #%2d / %2d: %14.2lf nsecs/op [val: %016"PRIx64"]\n",
process_nr, thread_nr, runtime_ns_max / bytes_done, val);
}
fflush(stdout);
@@ -1356,8 +1366,8 @@ static int init(void)
init_thread_data();
tprintf("#\n");
- parse_setup_cpu_list();
- parse_setup_node_list();
+ if (parse_setup_cpu_list() || parse_setup_node_list())
+ return -1;
tprintf("#\n");
print_summary();
@@ -1600,7 +1610,6 @@ static int run_bench_numa(const char *name, const char **argv)
return 0;
err:
- usage_with_options(numa_usage, options);
return -1;
}
@@ -1701,8 +1710,7 @@ static int bench_all(void)
BUG_ON(ret < 0);
for (i = 0; i < nr; i++) {
- if (run_bench_numa(tests[i][0], tests[i] + 1))
- return -1;
+ run_bench_numa(tests[i][0], tests[i] + 1);
}
printf("\n");
diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index 69cfba8..07a8d76 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -7,9 +7,7 @@
* Based on pipe-test-1m.c by Ingo Molnar <mingo@redhat.com>
* http://people.redhat.com/mingo/cfs-scheduler/tools/pipe-test-1m.c
* Ported to perf by Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
- *
*/
-
#include "../perf.h"
#include "../util/util.h"
#include "../util/parse-options.h"
@@ -28,12 +26,24 @@
#include <sys/time.h>
#include <sys/types.h>
+#include <pthread.h>
+
+struct thread_data {
+ int nr;
+ int pipe_read;
+ int pipe_write;
+ pthread_t pthread;
+};
+
#define LOOPS_DEFAULT 1000000
-static int loops = LOOPS_DEFAULT;
+static int loops = LOOPS_DEFAULT;
+
+/* Use processes by default: */
+static bool threaded;
static const struct option options[] = {
- OPT_INTEGER('l', "loop", &loops,
- "Specify number of loops"),
+ OPT_INTEGER('l', "loop", &loops, "Specify number of loops"),
+ OPT_BOOLEAN('T', "threaded", &threaded, "Specify threads/process based task setup"),
OPT_END()
};
@@ -42,13 +52,37 @@ static const char * const bench_sched_pipe_usage[] = {
NULL
};
-int bench_sched_pipe(int argc, const char **argv,
- const char *prefix __maybe_unused)
+static void *worker_thread(void *__tdata)
{
- int pipe_1[2], pipe_2[2];
+ struct thread_data *td = __tdata;
int m = 0, i;
+ int ret;
+
+ for (i = 0; i < loops; i++) {
+ if (!td->nr) {
+ ret = read(td->pipe_read, &m, sizeof(int));
+ BUG_ON(ret != sizeof(int));
+ ret = write(td->pipe_write, &m, sizeof(int));
+ BUG_ON(ret != sizeof(int));
+ } else {
+ ret = write(td->pipe_write, &m, sizeof(int));
+ BUG_ON(ret != sizeof(int));
+ ret = read(td->pipe_read, &m, sizeof(int));
+ BUG_ON(ret != sizeof(int));
+ }
+ }
+
+ return NULL;
+}
+
+int bench_sched_pipe(int argc, const char **argv, const char *prefix __maybe_unused)
+{
+ struct thread_data threads[2], *td;
+ int pipe_1[2], pipe_2[2];
struct timeval start, stop, diff;
unsigned long long result_usec = 0;
+ int nr_threads = 2;
+ int t;
/*
* why does "ret" exist?
@@ -58,43 +92,66 @@ int bench_sched_pipe(int argc, const char **argv,
int __maybe_unused ret, wait_stat;
pid_t pid, retpid __maybe_unused;
- argc = parse_options(argc, argv, options,
- bench_sched_pipe_usage, 0);
+ argc = parse_options(argc, argv, options, bench_sched_pipe_usage, 0);
BUG_ON(pipe(pipe_1));
BUG_ON(pipe(pipe_2));
- pid = fork();
- assert(pid >= 0);
-
gettimeofday(&start, NULL);
- if (!pid) {
- for (i = 0; i < loops; i++) {
- ret = read(pipe_1[0], &m, sizeof(int));
- ret = write(pipe_2[1], &m, sizeof(int));
- }
- } else {
- for (i = 0; i < loops; i++) {
- ret = write(pipe_1[1], &m, sizeof(int));
- ret = read(pipe_2[0], &m, sizeof(int));
+ for (t = 0; t < nr_threads; t++) {
+ td = threads + t;
+
+ td->nr = t;
+
+ if (t == 0) {
+ td->pipe_read = pipe_1[0];
+ td->pipe_write = pipe_2[1];
+ } else {
+ td->pipe_write = pipe_1[1];
+ td->pipe_read = pipe_2[0];
}
}
- gettimeofday(&stop, NULL);
- timersub(&stop, &start, &diff);
- if (pid) {
+ if (threaded) {
+
+ for (t = 0; t < nr_threads; t++) {
+ td = threads + t;
+
+ ret = pthread_create(&td->pthread, NULL, worker_thread, td);
+ BUG_ON(ret);
+ }
+
+ for (t = 0; t < nr_threads; t++) {
+ td = threads + t;
+
+ ret = pthread_join(td->pthread, NULL);
+ BUG_ON(ret);
+ }
+
+ } else {
+ pid = fork();
+ assert(pid >= 0);
+
+ if (!pid) {
+ worker_thread(threads + 0);
+ exit(0);
+ } else {
+ worker_thread(threads + 1);
+ }
+
retpid = waitpid(pid, &wait_stat, 0);
assert((retpid == pid) && WIFEXITED(wait_stat));
- } else {
- exit(0);
}
+ gettimeofday(&stop, NULL);
+ timersub(&stop, &start, &diff);
+
switch (bench_format) {
case BENCH_FORMAT_DEFAULT:
- printf("# Executed %d pipe operations between two tasks\n\n",
- loops);
+ printf("# Executed %d pipe operations between two %s\n\n",
+ loops, threaded ? "threads" : "processes");
result_usec = diff.tv_sec * 1000000;
result_usec += diff.tv_usec;
generated by cgit v0.10.2 at 2024-07-19 18:52:31 (GMT)