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Groups > linux.kernel > #1280531
| From | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v19 09/19] perf, tools: Add override support for event list CPUID |
| Date | 2015-12-01 04:10 +0100 |
| Message-ID | <qAJui-3Xm-31@gated-at.bofh.it> (permalink) |
| References | <qAJkB-3EM-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Andi Kleen <ak@linux.intel.com>
Add a PERF_CPUID variable to override the CPUID of the current CPU (within
the current architecture). This is useful for testing, so that all event
lists can be tested on a single system.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
---
v2: Fix double free in earlier version.
Print actual CPUID being used with verbose option.
---
tools/perf/util/pmu.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 79cdb86..c455ed9 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -477,10 +477,16 @@ static int pmu_add_cpu_aliases(struct list_head *head)
struct pmu_event *pe;
char *cpuid;
- cpuid = get_cpuid_str();
+ cpuid = getenv("PERF_CPUID");
+ if (cpuid)
+ cpuid = strdup(cpuid);
+ if (!cpuid)
+ cpuid = get_cpuid_str();
if (!cpuid)
return 0;
+ pr_debug("Using CPUID %s\n", cpuid);
+
i = 0;
while (1) {
map = &pmu_events_map[i++];
--
1.8.3.1
--
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[PATCH v19 00/19] perf, tools: Add support for PMU events in JSON format Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 19/19] perf, tools, pmu-events: Add Skylake frontend MSR support Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 08/19] perf, tools: Add a --no-desc flag to perf list Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 13/19] perf, tools, jevents: Add support for event topics Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 15/19] perf, tools: Handle header line in mapfile Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 17/19] perf, tools: Make alias matching case-insensitive Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 01/19] perf, tools: Add jsmn `jasmine' JSON parser Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 16/19] perf, tools: Add README for info on parsing JSON/map files Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 14/19] perf, tools: Add support for event list topics Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 18/19] perf, tools, pmu-events: Fix fixed counters on Intel Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 10/19] perf, tools, jevents: Add support for long descriptions Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:00 +0100 [PATCH v19 07/19] perf, tools: Query terminal width and use in perf list Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 05/19] perf, tools: Support CPU id matching for x86 v2 Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 03/19] perf, tools: Use pmu_events table to create aliases Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 12/19] perf, tools: Support long descriptions with perf list Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 11/19] perf, tools: Add alias support for long descriptions Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 06/19] perf, tools: Support alias descriptions Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 04/19] perf, tools: Support CPU ID matching for Powerpc Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 09/19] perf, tools: Add override support for event list CPUID Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 [PATCH v19 02/19] perf, tools, jevents: Program to convert JSON file to C style file Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-12-01 04:10 +0100 Re: [PATCH v19 00/19] perf, tools: Add support for PMU events in JSON format Andi Kleen <ak@linux.intel.com> - 2015-12-03 22:10 +0100
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