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| author | J. Bruce Fields <bfields@redhat.com> | 2017-06-28 13:34:15 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2017-06-28 13:34:15 -0400 |
| commit | 9a1d168e1bc2893120bb7c0d9932dd22f97d0b55 (patch) | |
| tree | f7d419f1601419aa0aebda102a6b14bdf7653443 /tools/perf/builtin-stat.c | |
| parent | bb2a8b0cd116219777b99cb71fe9e24b31d3f521 (diff) | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
Merge tag 'v4.12-rc5' into nfsd tree
Update to get f0c3192ceee3 "virtio_net: lower limit on buffer size".
That bug was interfering with my nfsd testing.
Diffstat (limited to 'tools/perf/builtin-stat.c')
| -rw-r--r-- | tools/perf/builtin-stat.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index a935b5023732..ad9324d1daf9 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1578,6 +1578,7 @@ static void print_header(int argc, const char **argv) static void print_footer(void) { FILE *output = stat_config.output; + int n; if (!null_run) fprintf(output, "\n"); @@ -1590,7 +1591,9 @@ static void print_footer(void) } fprintf(output, "\n\n"); - if (print_free_counters_hint) + if (print_free_counters_hint && + sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 && + n > 0) fprintf(output, "Some events weren't counted. Try disabling the NMI watchdog:\n" " echo 0 > /proc/sys/kernel/nmi_watchdog\n" |