summaryrefslogtreecommitdiff
path: root/tools/perf/builtin-record.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-03-15 15:19:05 +0000
committerArnd Bergmann <arnd@arndb.de>2012-03-15 15:20:07 +0000
commitf4e2467bad53023589cbff18dd1ab6e0aa3f004c (patch)
tree8d7abbf418eabd25bbcdc9b6de2f8216d2eaa616 /tools/perf/builtin-record.c
parente3643b77de143c5548ec93abd8aa68f4123295ea (diff)
parenta6de3df4f172e124280d88e617ee7d29f7af970b (diff)
Merge branch 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6 into next/cleanup
* 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6: ep93xx: Remove unnecessary includes of ep93xx-regs.h ep93xx: Move EP93XX_SYSCON defines to SoC private header ep93xx: Move crunch code to mach-ep93xx directory ep93xx: Make syscon access functions private to SoC ep93xx: Configure GPIO ports in core code ep93xx: Move peripheral defines to local SoC header ep93xx: Convert the watchdog driver into a platform device. ep93xx: Use ioremap for backlight driver ep93xx: Move GPIO defines to gpio-ep93xx.h ep93xx: Don't use system controller defines in audio drivers ep93xx: Move PHYS_BASE defines to local SoC header file (update to v3.3-rc7) Conflicts: arch/arm/mach-s3c2440/common.h
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 0abfb18b911f..227b6ae99785 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -204,6 +204,9 @@ static void perf_record__open(struct perf_record *rec)
if (opts->group && pos != first)
group_fd = first->fd;
+fallback_missing_features:
+ if (opts->exclude_guest_missing)
+ attr->exclude_guest = attr->exclude_host = 0;
retry_sample_id:
attr->sample_id_all = opts->sample_id_all_avail ? 1 : 0;
try_again:
@@ -217,15 +220,23 @@ try_again:
} else if (err == ENODEV && opts->cpu_list) {
die("No such device - did you specify"
" an out-of-range profile CPU?\n");
- } else if (err == EINVAL && opts->sample_id_all_avail) {
- /*
- * Old kernel, no attr->sample_id_type_all field
- */
- opts->sample_id_all_avail = false;
- if (!opts->sample_time && !opts->raw_samples && !time_needed)
- attr->sample_type &= ~PERF_SAMPLE_TIME;
-
- goto retry_sample_id;
+ } else if (err == EINVAL) {
+ if (!opts->exclude_guest_missing &&
+ (attr->exclude_guest || attr->exclude_host)) {
+ pr_debug("Old kernel, cannot exclude "
+ "guest or host samples.\n");
+ opts->exclude_guest_missing = true;
+ goto fallback_missing_features;
+ } else if (opts->sample_id_all_avail) {
+ /*
+ * Old kernel, no attr->sample_id_type_all field
+ */
+ opts->sample_id_all_avail = false;
+ if (!opts->sample_time && !opts->raw_samples && !time_needed)
+ attr->sample_type &= ~PERF_SAMPLE_TIME;
+
+ goto retry_sample_id;
+ }
}
/*
@@ -503,9 +514,9 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
return err;
}
- if (!!rec->no_buildid
+ if (!rec->no_buildid
&& !perf_header__has_feat(&session->header, HEADER_BUILD_ID)) {
- pr_err("Couldn't generating buildids. "
+ pr_err("Couldn't generate buildids. "
"Use --no-buildid to profile anyway.\n");
return -1;
}