perf record: Remove suggestion to enable APIC
authorAndi Kleen <ak@linux.intel.com>
Fri, 6 Apr 2018 20:38:12 +0000 (13:38 -0700)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 18 Apr 2018 18:35:50 +0000 (15:35 -0300)
'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Just remove the outdated suggestion.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>
tools/perf/util/evsel.c

index 66b6257..3e87486 100644 (file)
@@ -2870,8 +2870,7 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
 #if defined(__i386__) || defined(__x86_64__)
                if (evsel->attr.type == PERF_TYPE_HARDWARE)
                        return scnprintf(msg, size, "%s",
-       "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.");
+       "No hardware sampling interrupt available.\n");
 #endif
                break;
        case EBUSY: