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authorRay Kinsella <mdr@ashroe.eu>2021-09-07 16:26:58 +0100
committerDamjan Marion <dmarion@me.com>2021-09-08 14:30:03 +0000
commitc3cb2075deef7cd35401f9d2f00f3aeb23ed16d5 (patch)
treea87cb337cd8e41487e76ed6939dd38545089decf /src/plugins/perfmon/perfmon.h
parent6f98d9900d1c35292be94307724c6c897c24dfe2 (diff)
perfmon: adding support for papi TMAM
Adding support for Linux papi TMAM on Intel Snowridge. Adds the ability to indicate that a bundle should be thread or node bundle type based on available cpu features (rdpmc support). Type: feature Signed-off-by: Ray Kinsella <mdr@ashroe.eu> Change-Id: Ib871b2644fdb2410fbb580e0d21c3a8e2be13aba
Diffstat (limited to 'src/plugins/perfmon/perfmon.h')
-rw-r--r--src/plugins/perfmon/perfmon.h35
1 files changed, 33 insertions, 2 deletions
diff --git a/src/plugins/perfmon/perfmon.h b/src/plugins/perfmon/perfmon.h
index bba22cf6b1d..967b92e0e4a 100644
--- a/src/plugins/perfmon/perfmon.h
+++ b/src/plugins/perfmon/perfmon.h
@@ -31,6 +31,7 @@ typedef enum
PERFMON_BUNDLE_TYPE_NODE,
PERFMON_BUNDLE_TYPE_THREAD,
PERFMON_BUNDLE_TYPE_SYSTEM,
+ PERFMON_BUNDLE_TYPE_MAX,
} perfmon_bundle_type_t;
typedef enum
@@ -95,6 +96,12 @@ struct perfmon_bundle;
typedef clib_error_t *(perfmon_bundle_init_fn_t) (vlib_main_t *vm,
struct perfmon_bundle *);
+typedef struct
+{
+ clib_cpu_supports_func_t cpu_supports;
+ perfmon_bundle_type_t bundle_type;
+} perfmon_cpu_supports_t;
+
typedef struct perfmon_bundle
{
char *name;
@@ -104,14 +111,18 @@ typedef struct perfmon_bundle
perfmon_bundle_type_t type;
perfmon_offset_type_t offset_type;
u32 events[PERF_MAX_EVENTS];
- u32 metrics[PERF_MAX_EVENTS];
u32 n_events;
+ u32 metrics[PERF_MAX_EVENTS];
+ u32 n_metrics;
+
+ perfmon_cpu_supports_t *cpu_supports;
+ u32 n_cpu_supports;
+
perfmon_bundle_init_fn_t *init_fn;
char **column_headers;
format_function_t *format_fn;
- clib_cpu_supports_func_t cpu_supports;
/* do not set manually */
perfmon_source_t *src;
@@ -168,6 +179,24 @@ typedef struct
extern perfmon_main_t perfmon_main;
+always_inline uword
+perfmon_cpu_supported_bundle_type (perfmon_bundle_t *b)
+{
+ perfmon_cpu_supports_t *supports = b->cpu_supports;
+ uword type = 0;
+
+ /* if nothing specific for this bundle, go with the default */
+ if (!supports)
+ return b->type;
+
+ /* the last specified type, will always win */
+ for (int i = 0; i < b->n_cpu_supports; ++i)
+ if (supports[i].cpu_supports ())
+ type = supports[i].bundle_type;
+
+ return type;
+}
+
#define PERFMON_REGISTER_SOURCE(x) \
perfmon_source_t __perfmon_source_##x; \
static void __clib_constructor __perfmon_source_registration_##x (void) \
@@ -184,6 +213,8 @@ extern perfmon_main_t perfmon_main;
{ \
perfmon_main_t *pm = &perfmon_main; \
__perfmon_bundle_##x.next = pm->bundles; \
+ __perfmon_bundle_##x.type = \
+ perfmon_cpu_supported_bundle_type (&__perfmon_bundle_##x); \
pm->bundles = &__perfmon_bundle_##x; \
} \
perfmon_bundle_t __perfmon_bundle_##x