diff options
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/builtin-record.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 87f98fdb0513..0e519c667e3a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c | |||
@@ -307,6 +307,12 @@ try_again: | |||
307 | printf("\n"); | 307 | printf("\n"); |
308 | error("perfcounter syscall returned with %d (%s)\n", | 308 | error("perfcounter syscall returned with %d (%s)\n", |
309 | fd[nr_cpu][counter], strerror(err)); | 309 | fd[nr_cpu][counter], strerror(err)); |
310 | |||
311 | #if defined(__i386__) || defined(__x86_64__) | ||
312 | if (attr->type == PERF_TYPE_HARDWARE && err == EOPNOTSUPP) | ||
313 | die("No hardware sampling interrupt available. No APIC? If so then you can boot the kernel with the \"lapic\" boot parameter to force-enable it.\n"); | ||
314 | #endif | ||
315 | |||
310 | die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); | 316 | die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); |
311 | exit(-1); | 317 | exit(-1); |
312 | } | 318 | } |