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>
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@ -363,7 +363,7 @@ static bool handle_end_event(struct perf_kvm_stat *kvm,
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if (!skip_event(decode)) {
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if (!skip_event(decode)) {
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pr_info("%" PRIu64 " VM %d, vcpu %d: %s event took %" PRIu64 "usec\n",
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pr_info("%" PRIu64 " VM %d, vcpu %d: %s event took %" PRIu64 "usec\n",
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sample->time, sample->pid, vcpu_record->vcpu_id,
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sample->time, sample->pid, vcpu_record->vcpu_id,
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decode, time_diff/1000);
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decode, time_diff / NSEC_PER_USEC);
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}
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}
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}
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}
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@ -609,15 +609,15 @@ static void print_result(struct perf_kvm_stat *kvm)
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pr_info("%10llu ", (unsigned long long)ecount);
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pr_info("%10llu ", (unsigned long long)ecount);
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pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100);
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pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100);
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pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100);
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pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100);
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pr_info("%9.2fus ", (double)min / 1e3);
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pr_info("%9.2fus ", (double)min / NSEC_PER_USEC);
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pr_info("%9.2fus ", (double)max / 1e3);
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pr_info("%9.2fus ", (double)max / NSEC_PER_USEC);
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pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount/1e3,
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pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount / NSEC_PER_USEC,
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kvm_event_rel_stddev(vcpu, event));
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kvm_event_rel_stddev(vcpu, event));
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pr_info("\n");
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pr_info("\n");
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}
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}
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pr_info("\nTotal Samples:%" PRIu64 ", Total events handled time:%.2fus.\n\n",
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pr_info("\nTotal Samples:%" PRIu64 ", Total events handled time:%.2fus.\n\n",
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kvm->total_count, kvm->total_time / 1e3);
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kvm->total_count, kvm->total_time / (double)NSEC_PER_USEC);
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if (kvm->lost_events)
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if (kvm->lost_events)
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pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events);
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pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events);
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