vppinfra: introduce clib_perfmom

Type: improvement
Change-Id: I85a90774eb313020435c9bc2297c1bdf23d52efc
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/src/vppinfra/perfmon/bundle_default.c b/src/vppinfra/perfmon/bundle_default.c
new file mode 100644
index 00000000000..b5282c51740
--- /dev/null
+++ b/src/vppinfra/perfmon/bundle_default.c
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright(c) 2022 Cisco Systems, Inc.
+ */
+
+#include <vppinfra/format.h>
+#include <vppinfra/error.h>
+#include <vppinfra/perfmon/perfmon.h>
+
+static u8 *
+format_perfmon_bundle_default (u8 *s, va_list *args)
+{
+  clib_perfmon_ctx_t *ctx = va_arg (*args, clib_perfmon_ctx_t *);
+  clib_perfmon_capture_t *c = va_arg (*args, clib_perfmon_capture_t *);
+  u32 col = va_arg (*args, int);
+  u64 *d = c->data;
+
+  switch (col)
+    {
+    case 0:
+      if (ctx->ref_clock > 0)
+	return format (s, "%8.1f", (f64) d[0] / d[1] * (ctx->ref_clock / 1e9));
+      else
+	return s;
+    case 1:
+      return format (s, "%5.2f", (f64) d[2] / d[0]);
+    case 2:
+      if (c->n_ops > 1)
+	return format (s, "%8.2f", (f64) d[0] / c->n_ops);
+      else
+	return format (s, "%8u", d[0]);
+    case 3:
+      if (c->n_ops > 1)
+	return format (s, "%8.2f", (f64) d[2] / c->n_ops);
+      else
+	return format (s, "%8u", d[2]);
+    case 4:
+      if (c->n_ops > 1)
+	return format (s, "%9.2f", (f64) d[3] / c->n_ops);
+      else
+	return format (s, "%9u", d[3]);
+    case 5:
+      if (c->n_ops > 1)
+	return format (s, "%10.2f", (f64) d[4] / c->n_ops);
+      else
+	return format (s, "%10u", d[4]);
+    default:
+      return s;
+    }
+}
+
+CLIB_PERFMON_BUNDLE (default) = {
+  .name = "default",
+  .desc = "IPC, Clocks/Operatiom, Instr/Operation, Branch Total & Miss",
+  .type = PERF_TYPE_HARDWARE,
+  .config[0] = PERF_COUNT_HW_CPU_CYCLES,
+  .config[1] = PERF_COUNT_HW_REF_CPU_CYCLES,
+  .config[2] = PERF_COUNT_HW_INSTRUCTIONS,
+  .config[3] = PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
+  .config[4] = PERF_COUNT_HW_BRANCH_MISSES,
+  .n_events = 5,
+  .format_fn = format_perfmon_bundle_default,
+  .column_headers = CLIB_STRING_ARRAY ("Freq", "IPC", "Clks/Op", "Inst/Op",
+				       "Brnch/Op", "BrMiss/Op"),
+};