b504d7f687
Remove mixed indentation in Python scripts. Revert to either all tabs (most common form) or all spaces (4 or 8) depending on what was the intent of the original commit. This is necessary to complete Python3 support as it will flag an error if it encounters mixed indentation. Signed-off-by: Tony Jones <tonyj@suse.de> Link: http://lkml.kernel.org/r/20190302011903.2416-2-tonyj@suse.de Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
# failed system call counts, by pid
|
|
# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
|
|
# Licensed under the terms of the GNU GPL License version 2
|
|
#
|
|
# Displays system-wide failed system call totals, broken down by pid.
|
|
# If a [comm] arg is specified, only syscalls called by [comm] are displayed.
|
|
|
|
from __future__ import print_function
|
|
|
|
import os
|
|
import sys
|
|
|
|
sys.path.append(os.environ['PERF_EXEC_PATH'] + \
|
|
'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
|
|
|
|
from perf_trace_context import *
|
|
from Core import *
|
|
from Util import *
|
|
|
|
usage = "perf script -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:
|
|
try:
|
|
for_pid = int(sys.argv[1])
|
|
except:
|
|
for_comm = sys.argv[1]
|
|
|
|
syscalls = autodict()
|
|
|
|
def trace_begin():
|
|
print("Press control+C to stop and show the summary")
|
|
|
|
def trace_end():
|
|
print_error_totals()
|
|
|
|
def raw_syscalls__sys_exit(event_name, context, common_cpu,
|
|
common_secs, common_nsecs, common_pid, common_comm,
|
|
common_callchain, id, ret):
|
|
if (for_comm and common_comm != for_comm) or \
|
|
(for_pid and common_pid != for_pid ):
|
|
return
|
|
|
|
if ret < 0:
|
|
try:
|
|
syscalls[common_comm][common_pid][id][ret] += 1
|
|
except TypeError:
|
|
syscalls[common_comm][common_pid][id][ret] = 1
|
|
|
|
def syscalls__sys_exit(event_name, context, common_cpu,
|
|
common_secs, common_nsecs, common_pid, common_comm,
|
|
id, ret):
|
|
raw_syscalls__sys_exit(**locals())
|
|
|
|
def print_error_totals():
|
|
if for_comm is not None:
|
|
print("\nsyscall errors for %s:\n" % (for_comm))
|
|
else:
|
|
print("\nsyscall errors:\n")
|
|
|
|
print("%-30s %10s" % ("comm [pid]", "count"))
|
|
print("%-30s %10s" % ("------------------------------", "----------"))
|
|
|
|
comm_keys = syscalls.keys()
|
|
for comm in comm_keys:
|
|
pid_keys = syscalls[comm].keys()
|
|
for pid in pid_keys:
|
|
print("\n%s [%d]" % (comm, pid))
|
|
id_keys = syscalls[comm][pid].keys()
|
|
for id in id_keys:
|
|
print(" syscall: %-16s" % syscall_name(id))
|
|
ret_keys = syscalls[comm][pid][id].keys()
|
|
for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True):
|
|
print(" err = %-20s %10d" % (strerror(ret), val))
|