Line data    Source code

       1             : /* SPDX-License-Identifier: Apache-2.0
       2             :  * Copyright(c) 2022 Cisco Systems, Inc.
       3             :  */
       4             : 
       5             : #ifdef __x86_64__
       6             : 
       7             : #include <vppinfra/format.h>
       8             : #include <vppinfra/error.h>
       9             : #include <vppinfra/perfmon/perfmon.h>
      10             : 
      11             : static u8 *
      12           0 : format_perfmon_bundle_core_power (u8 *s, va_list *args)
      13             : {
      14           0 :   clib_perfmon_ctx_t __clib_unused *ctx = va_arg (*args, clib_perfmon_ctx_t *);
      15           0 :   clib_perfmon_capture_t *c = va_arg (*args, clib_perfmon_capture_t *);
      16           0 :   u32 col = va_arg (*args, int);
      17           0 :   u64 *d = c->data;
      18             : 
      19           0 :   switch (col)
      20             :     {
      21           0 :     case 0:
      22           0 :       return format (s, "%7.1f %%", (f64) 100 * d[1] / d[0]);
      23           0 :     case 1:
      24           0 :       return format (s, "%7.1f %%", (f64) 100 * d[2] / d[0]);
      25           0 :     case 2:
      26           0 :       return format (s, "%7.1f %%", (f64) 100 * d[3] / d[0]);
      27           0 :     default:
      28           0 :       return s;
      29             :     }
      30             : }
      31             : 
      32             : #define PERF_INTEL_CODE(event, umask) ((event) | (umask) << 8)
      33             : 
      34         642 : CLIB_PERFMON_BUNDLE (core_power) = {
      35             :   .name = "core-power",
      36             :   .desc =
      37             :     "Core cycles where the core was running under specific turbo schedule.",
      38             :   .type = PERF_TYPE_RAW,
      39             :   .config[0] = PERF_INTEL_CODE (0x3c, 0x00),
      40             :   .config[1] = PERF_INTEL_CODE (0x28, 0x07),
      41             :   .config[2] = PERF_INTEL_CODE (0x28, 0x18),
      42             :   .config[3] = PERF_INTEL_CODE (0x28, 0x20),
      43             :   .n_events = 4,
      44             :   .format_fn = format_perfmon_bundle_core_power,
      45             :   .column_headers = CLIB_STRING_ARRAY ("Level 0", "Level 1", "Level 2"),
      46             : };
      47             : 
      48             : #endif