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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-08-08 21:10:44 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-08-23 21:37:33 +0300 |
| commit | c05a6e14150f81a8cb93d83af55582e05afc05ae (patch) | |
| tree | f9e46799ef5a61945c49409331148de1ede0fcc5 /tools/perf/builtin-kvm.c | |
| parent | 0693e680d32e5c7415666ccfcff57ad4cd976294 (diff) | |
| download | linux-c05a6e14150f81a8cb93d83af55582e05afc05ae.tar.xz | |
perf kvm: Use NSEC_PER_USEC
Following kernel practices and better documenting units of time.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Yarygin <yarygin@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5x6p6fmzrogonpbnkkkw4usk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-kvm.c')
| -rw-r--r-- | tools/perf/builtin-kvm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index a0040f74e935..08fa88f62a24 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -363,7 +363,7 @@ static bool handle_end_event(struct perf_kvm_stat *kvm, if (!skip_event(decode)) { pr_info("%" PRIu64 " VM %d, vcpu %d: %s event took %" PRIu64 "usec\n", sample->time, sample->pid, vcpu_record->vcpu_id, - decode, time_diff/1000); + decode, time_diff / NSEC_PER_USEC); } } @@ -609,15 +609,15 @@ static void print_result(struct perf_kvm_stat *kvm) pr_info("%10llu ", (unsigned long long)ecount); pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100); pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100); - pr_info("%9.2fus ", (double)min / 1e3); - pr_info("%9.2fus ", (double)max / 1e3); - pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount/1e3, + pr_info("%9.2fus ", (double)min / NSEC_PER_USEC); + pr_info("%9.2fus ", (double)max / NSEC_PER_USEC); + pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount / NSEC_PER_USEC, kvm_event_rel_stddev(vcpu, event)); pr_info("\n"); } pr_info("\nTotal Samples:%" PRIu64 ", Total events handled time:%.2fus.\n\n", - kvm->total_count, kvm->total_time / 1e3); + kvm->total_count, kvm->total_time / (double)NSEC_PER_USEC); if (kvm->lost_events) pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events); |