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-rw-r--r--tools/perf/scripts/python/failed-syscalls-by-pid.py21
1 files changed, 13 insertions, 8 deletions
diff --git a/tools/perf/scripts/python/failed-syscalls-by-pid.py b/tools/perf/scripts/python/failed-syscalls-by-pid.py
index 0ca02278fe69..acd7848717b3 100644
--- a/tools/perf/scripts/python/failed-syscalls-by-pid.py
+++ b/tools/perf/scripts/python/failed-syscalls-by-pid.py
@@ -13,21 +13,26 @@ sys.path.append(os.environ['PERF_EXEC_PATH'] + \
from perf_trace_context import *
from Core import *
+from Util import *
-usage = "perf trace -s syscall-counts-by-pid.py [comm]\n";
+usage = "perf trace -s syscall-counts-by-pid.py [comm|pid]\n";
for_comm = None
+for_pid = None
if len(sys.argv) > 2:
sys.exit(usage)
if len(sys.argv) > 1:
- for_comm = sys.argv[1]
+ try:
+ for_pid = int(sys.argv[1])
+ except:
+ for_comm = sys.argv[1]
syscalls = autodict()
def trace_begin():
- pass
+ print "Press control+C to stop and show the summary"
def trace_end():
print_error_totals()
@@ -35,9 +40,9 @@ def trace_end():
def raw_syscalls__sys_exit(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
id, ret):
- if for_comm is not None:
- if common_comm != for_comm:
- return
+ if (for_comm and common_comm != for_comm) or \
+ (for_pid and common_pid != for_pid ):
+ return
if ret < 0:
try:
@@ -62,7 +67,7 @@ def print_error_totals():
print "\n%s [%d]\n" % (comm, pid),
id_keys = syscalls[comm][pid].keys()
for id in id_keys:
- print " syscall: %-16d\n" % (id),
+ print " syscall: %-16s\n" % syscall_name(id),
ret_keys = syscalls[comm][pid][id].keys()
for ret, val in sorted(syscalls[comm][pid][id].iteritems(), key = lambda(k, v): (v, k), reverse = True):
- print " err = %-20d %10d\n" % (ret, val),
+ print " err = %-20s %10d\n" % (strerror(ret), val),