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-rw-r--r--tools/perf/scripts/python/failed-syscalls-by-pid.py68
1 files changed, 68 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/failed-syscalls-by-pid.py b/tools/perf/scripts/python/failed-syscalls-by-pid.py
new file mode 100644
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+++ b/tools/perf/scripts/python/failed-syscalls-by-pid.py
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+# 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.
+
+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 *
+
+usage = "perf trace -s syscall-counts-by-pid.py [comm]\n";
+
+for_comm = None
+
+if len(sys.argv) > 2:
+ sys.exit(usage)
+
+if len(sys.argv) > 1:
+ for_comm = sys.argv[1]
+
+syscalls = autodict()
+
+def trace_begin():
+ pass
+
+def trace_end():
+ print_error_totals()
+
+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 ret < 0:
+ try:
+ syscalls[common_comm][common_pid][id][ret] += 1
+ except TypeError:
+ syscalls[common_comm][common_pid][id][ret] = 1
+
+def print_error_totals():
+ if for_comm is not None:
+ print "\nsyscall errors for %s:\n\n" % (for_comm),
+ else:
+ print "\nsyscall errors:\n\n",
+
+ print "%-30s %10s\n" % ("comm [pid]", "count"),
+ print "%-30s %10s\n" % ("------------------------------", \
+ "----------"),
+
+ comm_keys = syscalls.keys()
+ for comm in comm_keys:
+ pid_keys = syscalls[comm].keys()
+ for pid in pid_keys:
+ print "\n%s [%d]\n" % (comm, pid),
+ id_keys = syscalls[comm][pid].keys()
+ for id in id_keys:
+ print " syscall: %-16d\n" % (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),