diff options
| author |   Ray Kinsella <mdr@ashroe.eu> | 2021-01-21 18:39:26 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-03-16 21:37:20 +0000 |
| commit | e4551ffc4860ec8bc57753042f9983450f096a52 (patch) | |
| tree | 79c55452403f093c26133f9fe3901fae88b49e85 /src | |
| parent | 5e798bce421aaae093ef795c0812420c83cddda6 (diff) | |
perfmon: fixes for cache hierarchy
Account for occasional instances with the misses rates between caches
are inconsistent.
Type: fix
Signed-off-by: Ray Kinsella <mdr@ashroe.eu>
Change-Id: Idfb8bb7543401405cfe04291ad201c28be030cc9
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/perfmon/intel/bundle/cache_hit_miss.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/plugins/perfmon/intel/bundle/cache_hit_miss.c b/src/plugins/perfmon/intel/bundle/cache_hit_miss.c index b3d6eebe04c..0fb24c59b6b 100644 --- a/src/plugins/perfmon/intel/bundle/cache_hit_miss.c +++ b/src/plugins/perfmon/intel/bundle/cache_hit_miss.c @@ -27,24 +27,28 @@ format_intel_core_cache_hit_miss (u8 *s, va_list *args) switch (row) { case 0: - s = format (s, "%.2f", (f64) ns->value[0] / ns->n_packets); + s = format (s, "%0.2f", (f64) ns->value[0] / ns->n_packets); break; case 1: - s = format (s, "%.2f", (f64) ns->value[1] / ns->n_packets); + s = format (s, "%0.2f", (f64) ns->value[1] / ns->n_packets); break; case 2: - s = format (s, "%.2f", - (f64) (ns->value[1] - ns->value[2]) / ns->n_packets); + s = + format (s, "%0.2f", + (f64) (ns->value[1] - clib_min (ns->value[1], ns->value[2])) / + ns->n_packets); break; case 3: - s = format (s, "%.2f", (f64) ns->value[2] / ns->n_packets); + s = format (s, "%0.2f", (f64) ns->value[2] / ns->n_packets); break; case 4: - s = format (s, "%.2f", - (f64) (ns->value[2] - ns->value[3]) / ns->n_packets); + s = + format (s, "%0.2f", + (f64) (ns->value[2] - clib_min (ns->value[2], ns->value[3])) / + ns->n_packets); break; case 5: - s = format (s, "%.2f", (f64) ns->value[3] / ns->n_packets); + s = format (s, "%0.2f", (f64) ns->value[3] / ns->n_packets); break; } |