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authorDavid S. Miller <davem@davemloft.net>2010-03-01 06:23:06 +0300
committerDavid S. Miller <davem@davemloft.net>2010-03-01 06:23:06 +0300
commit47871889c601d8199c51a4086f77eebd77c29b0b (patch)
tree40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /tools/perf/scripts/python/syscall-counts-by-pid.py
parentc16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
downloadlinux-47871889c601d8199c51a4086f77eebd77c29b0b.tar.xz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
-rw-r--r--tools/perf/scripts/python/syscall-counts-by-pid.py64
1 files changed, 64 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/syscall-counts-by-pid.py b/tools/perf/scripts/python/syscall-counts-by-pid.py
new file mode 100644
index 000000000000..af722d6a4b3f
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+++ b/tools/perf/scripts/python/syscall-counts-by-pid.py
@@ -0,0 +1,64 @@
+# 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 system call totals, broken down by syscall.
+# 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_syscall_totals()
+
+def raw_syscalls__sys_enter(event_name, context, common_cpu,
+ common_secs, common_nsecs, common_pid, common_comm,
+ id, args):
+ if for_comm is not None:
+ if common_comm != for_comm:
+ return
+ try:
+ syscalls[common_comm][common_pid][id] += 1
+ except TypeError:
+ syscalls[common_comm][common_pid][id] = 1
+
+def print_syscall_totals():
+ if for_comm is not None:
+ print "\nsyscall events for %s:\n\n" % (for_comm),
+ else:
+ print "\nsyscall events by comm/pid:\n\n",
+
+ print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"),
+ print "%-40s %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, val in sorted(syscalls[comm][pid].iteritems(), \
+ key = lambda(k, v): (v, k), reverse = True):
+ print " %-38d %10d\n" % (id, val),