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perf bench numa: Show more stats of particular threads in verbose mode 

In verbose mode perf bench numa shows also GB/s speed, system and user cpu
time for each particular thread. Using of getrusage() can provide much more
per process or per thread stats in future.

Signed-off-by: Petr Holasek <pholasek@redhat.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1429198699-25039-3-git-send-email-pholasek@redhat.com
[ Rename 'usage' variable to not shadow util.h's usage() ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Petr Holasek 2015-04-16 17:38:18 +02:00 committed by Arnaldo Carvalho de Melo
parent 762abdc0c6
commit b64aa553d8
1 changed files with 31 additions and 1 deletions
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32
tools/perf/bench/numa.c
View File

@ -23,6 +23,7 @@
#include <pthread.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/prctl.h>
#include <sys/types.h>
@ -51,6 +52,9 @@ struct thread_data {
unsigned int loops_done;
u64 val;
u64 runtime_ns;
u64 system_time_ns;
u64 user_time_ns;
double speed_gbs;
pthread_mutex_t *process_lock;
};
@ -1034,6 +1038,7 @@ static void *worker_thread(void *__tdata)
u64 bytes_done;
long work_done;
u32 l;
struct rusage rusage;
bind_to_cpumask(td->bind_cpumask);
bind_to_memnode(td->bind_node);
@ -1186,6 +1191,13 @@ static void *worker_thread(void *__tdata)
timersub(&stop, &start0, &diff);
td->runtime_ns = diff.tv_sec * 1000000000ULL;
td->runtime_ns += diff.tv_usec * 1000ULL;
td->speed_gbs = bytes_done / (td->runtime_ns / 1e9) / 1e9;
getrusage(RUSAGE_THREAD, &rusage);
td->system_time_ns = rusage.ru_stime.tv_sec * 1000000000ULL;
td->system_time_ns += rusage.ru_stime.tv_usec * 1000ULL;
td->user_time_ns = rusage.ru_utime.tv_sec * 1000000000ULL;
td->user_time_ns += rusage.ru_utime.tv_usec * 1000ULL;
free_data(thread_data, g->p.bytes_thread);
@ -1412,7 +1424,7 @@ static int __bench_numa(const char *name)
double runtime_sec_min;
int wait_stat;
double bytes;
int i, t;
int i, t, p;
if (init())
return -1;
@ -1548,6 +1560,24 @@ static int __bench_numa(const char *name)
print_res(name, bytes / runtime_sec_max / 1e9,
"GB/sec,", "total-speed", "GB/sec total speed");
if (g->p.show_details >= 2) {
char tname[32];
struct thread_data *td;
for (p = 0; p < g->p.nr_proc; p++) {
for (t = 0; t < g->p.nr_threads; t++) {
memset(tname, 0, 32);
td = g->threads + p*g->p.nr_threads + t;
snprintf(tname, 32, "process%d:thread%d", p, t);
print_res(tname, td->speed_gbs,
"GB/sec", "thread-speed", "GB/sec/thread speed");
print_res(tname, td->system_time_ns / 1e9,
"secs", "thread-system-time", "system CPU time/thread");
print_res(tname, td->user_time_ns / 1e9,
"secs", "thread-user-time", "user CPU time/thread");
}
}
}
free(pids);
deinit();