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