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perf record: Remove suggestion to enable APIC

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'perf record' suggests to enable the APIC on errors.

APIC is practically always used today and the problem is usually
somewhere else.

Just remove the outdated suggestion.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20180406203812.3087-5-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen 2018-04-06 13:38:12 -07:00 committed by Arnaldo Carvalho de Melo
parent ec3948451e
commit ccbb6afe08
1 changed files with 1 additions and 2 deletions
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3
tools/perf/util/evsel.c
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@ -2870,8 +2870,7 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
#if defined(__i386__) || defined(__x86_64__) #if defined(__i386__) || defined(__x86_64__)
if (evsel->attr.type == PERF_TYPE_HARDWARE) if (evsel->attr.type == PERF_TYPE_HARDWARE)
return scnprintf(msg, size, "%s", return scnprintf(msg, size, "%s",
"No hardware sampling interrupt available.\n" "No hardware sampling interrupt available.\n");
"No APIC? If so then you can boot the kernel with the \"lapic\" boot parameter to force-enable it.");
#endif #endif
break; break;
case EBUSY: case EBUSY: