diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/perf/tests/shell/trace+probe_vfs_getname.sh | 2 | ||||
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 37 |
2 files changed, 36 insertions, 3 deletions
diff --git a/tools/perf/tests/shell/trace+probe_vfs_getname.sh b/tools/perf/tests/shell/trace+probe_vfs_getname.sh index 11cc2af13f2b..3d31c1d560d6 100755 --- a/tools/perf/tests/shell/trace+probe_vfs_getname.sh +++ b/tools/perf/tests/shell/trace+probe_vfs_getname.sh @@ -20,7 +20,7 @@ skip_if_no_perf_trace || exit 2 file=$(mktemp /tmp/temporary_file.XXXXX) trace_open_vfs_getname() { - evts=$(echo $(perf list syscalls:sys_enter_open* 2>&1 | egrep 'open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/') | sed 's/ /,/') + evts=$(echo $(perf list syscalls:sys_enter_open* 2>/dev/null | egrep 'open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/') | sed 's/ /,/') perf trace -e $evts touch $file 2>&1 | \ egrep " +[0-9]+\.[0-9]+ +\( +[0-9]+\.[0-9]+ ms\): +touch\/[0-9]+ open(at)?\((dfd: +CWD, +)?filename: +${file}, +flags: CREAT\|NOCTTY\|NONBLOCK\|WRONLY, +mode: +IRUGO\|IWUGO\) += +[0-9]+$" } diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 44dd86a4f25f..f3577f7d72fe 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -534,7 +534,7 @@ out: #ifdef HAVE_LIBBFD_BUILDID_SUPPORT -int filename__read_build_id(const char *filename, struct build_id *bid) +static int read_build_id(const char *filename, struct build_id *bid) { size_t size = sizeof(bid->data); int err = -1; @@ -563,7 +563,7 @@ out_close: #else // HAVE_LIBBFD_BUILDID_SUPPORT -int filename__read_build_id(const char *filename, struct build_id *bid) +static int read_build_id(const char *filename, struct build_id *bid) { size_t size = sizeof(bid->data); int fd, err = -1; @@ -595,6 +595,39 @@ out: #endif // HAVE_LIBBFD_BUILDID_SUPPORT +int filename__read_build_id(const char *filename, struct build_id *bid) +{ + struct kmod_path m = { .name = NULL, }; + char path[PATH_MAX]; + int err; + + if (!filename) + return -EFAULT; + + err = kmod_path__parse(&m, filename); + if (err) + return -1; + + if (m.comp) { + int error = 0, fd; + + fd = filename__decompress(filename, path, sizeof(path), m.comp, &error); + if (fd < 0) { + pr_debug("Failed to decompress (error %d) %s\n", + error, filename); + return -1; + } + close(fd); + filename = path; + } + + err = read_build_id(filename, bid); + + if (m.comp) + unlink(filename); + return err; +} + int sysfs__read_build_id(const char *filename, struct build_id *bid) { size_t size = sizeof(bid->data); |