--- /dev/null
+#!/usr/bin/perl -w
+# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
+# Licensed under the terms of the GNU GPL License version 2
+
+# read/write top
+#
+# Periodically displays system-wide r/w call activity, broken down by
+# pid. If an [interval] arg is specified, the display will be
+# refreshed every [interval] seconds. The default interval is 3
+# seconds.
+
+use 5.010000;
+use strict;
+use warnings;
+
+use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
+use lib "./Perf-Trace-Util/lib";
+use Perf::Trace::Core;
+use Perf::Trace::Util;
+
+my $default_interval = 3;
+my $nlines = 20;
+my $print_thread;
+
+my %reads;
+my %writes;
+
+my $interval = shift;
+if (!$interval) {
+ $interval = $default_interval;
+}
+
+sub syscalls::sys_exit_read
+{
+ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
+ $common_pid, $common_comm,
+ $nr, $ret) = @_;
+
+ if ($ret > 0) {
+ $reads{$common_pid}{bytes_read} += $ret;
+ } else {
+ if (!defined ($reads{$common_pid}{bytes_read})) {
+ $reads{$common_pid}{bytes_read} = 0;
+ }
+ $reads{$common_pid}{errors}{$ret}++;
+ }
+}
+
+sub syscalls::sys_enter_read
+{
+ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
+ $common_pid, $common_comm,
+ $nr, $fd, $buf, $count) = @_;
+
+ $reads{$common_pid}{bytes_requested} += $count;
+ $reads{$common_pid}{total_reads}++;
+ $reads{$common_pid}{comm} = $common_comm;
+}
+
+sub syscalls::sys_exit_write
+{
+ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
+ $common_pid, $common_comm,
+ $nr, $ret) = @_;
+
+ if ($ret <= 0) {
+ $writes{$common_pid}{errors}{$ret}++;
+ }
+}
+
+sub syscalls::sys_enter_write
+{
+ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
+ $common_pid, $common_comm,
+ $nr, $fd, $buf, $count) = @_;
+
+ $writes{$common_pid}{bytes_written} += $count;
+ $writes{$common_pid}{total_writes}++;
+ $writes{$common_pid}{comm} = $common_comm;
+}
+
+sub trace_begin
+{
+ $SIG{ALRM} = \&print_totals;
+ alarm 1;
+}
+
+sub trace_end
+{
+ print_unhandled();
+ print_totals();
+}
+
+sub print_totals
+{
+ my $count;
+
+ $count = 0;
+
+ clear_term();
+
+ printf("\nread counts by pid:\n\n");
+
+ printf("%6s %20s %10s %10s %10s\n", "pid", "comm",
+ "# reads", "bytes_req", "bytes_read");
+ printf("%6s %-20s %10s %10s %10s\n", "------", "--------------------",
+ "----------", "----------", "----------");
+
+ foreach my $pid (sort {$reads{$b}{bytes_read} <=>
+ $reads{$a}{bytes_read}} keys %reads) {
+ my $comm = $reads{$pid}{comm};
+ my $total_reads = $reads{$pid}{total_reads};
+ my $bytes_requested = $reads{$pid}{bytes_requested};
+ my $bytes_read = $reads{$pid}{bytes_read};
+
+ printf("%6s %-20s %10s %10s %10s\n", $pid, $comm,
+ $total_reads, $bytes_requested, $bytes_read);
+
+ if (++$count == $nlines) {
+ last;
+ }
+ }
+
+ $count = 0;
+
+ printf("\nwrite counts by pid:\n\n");
+
+ printf("%6s %20s %10s %13s\n", "pid", "comm",
+ "# writes", "bytes_written");
+ printf("%6s %-20s %10s %13s\n", "------", "--------------------",
+ "----------", "-------------");
+
+ foreach my $pid (sort {$writes{$b}{bytes_written} <=>
+ $writes{$a}{bytes_written}} keys %writes) {
+ my $comm = $writes{$pid}{comm};
+ my $total_writes = $writes{$pid}{total_writes};
+ my $bytes_written = $writes{$pid}{bytes_written};
+
+ printf("%6s %-20s %10s %13s\n", $pid, $comm,
+ $total_writes, $bytes_written);
+
+ if (++$count == $nlines) {
+ last;
+ }
+ }
+
+ %reads = ();
+ %writes = ();
+ alarm $interval;
+}
+
+my %unhandled;
+
+sub print_unhandled
+{
+ if ((scalar keys %unhandled) == 0) {
+ return;
+ }
+
+ print "\nunhandled events:\n\n";
+
+ printf("%-40s %10s\n", "event", "count");
+ printf("%-40s %10s\n", "----------------------------------------",
+ "-----------");
+
+ foreach my $event_name (keys %unhandled) {
+ printf("%-40s %10d\n", $event_name, $unhandled{$event_name});
+ }
+}
+
+sub trace_unhandled
+{
+ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
+ $common_pid, $common_comm) = @_;
+
+ $unhandled{$event_name}++;
+}
--- /dev/null
+# system call top
+# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
+# Licensed under the terms of the GNU GPL License version 2
+#
+# Periodically displays system-wide system call totals, broken down by
+# syscall. If a [comm] arg is specified, only syscalls called by
+# [comm] are displayed. If an [interval] arg is specified, the display
+# will be refreshed every [interval] seconds. The default interval is
+# 3 seconds.
+
+import thread
+import time
+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 trace -s syscall-counts.py [comm] [interval]\n";
+
+for_comm = None
+default_interval = 3
+interval = default_interval
+
+if len(sys.argv) > 3:
+ sys.exit(usage)
+
+if len(sys.argv) > 2:
+ for_comm = sys.argv[1]
+ interval = int(sys.argv[2])
+elif len(sys.argv) > 1:
+ try:
+ interval = int(sys.argv[1])
+ except ValueError:
+ for_comm = sys.argv[1]
+ interval = default_interval
+
+syscalls = autodict()
+
+def trace_begin():
+ thread.start_new_thread(print_syscall_totals, (interval,))
+ pass
+
+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[id] += 1
+ except TypeError:
+ syscalls[id] = 1
+
+def print_syscall_totals(interval):
+ while 1:
+ clear_term()
+ if for_comm is not None:
+ print "\nsyscall events for %s:\n\n" % (for_comm),
+ else:
+ print "\nsyscall events:\n\n",
+
+ print "%-40s %10s\n" % ("event", "count"),
+ print "%-40s %10s\n" % ("----------------------------------------", \
+ "----------"),
+
+ for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
+ reverse = True):
+ try:
+ print "%-40d %10d\n" % (id, val),
+ except TypeError:
+ pass
+ syscalls.clear()
+ time.sleep(interval)
projects / kernel / kernel-generic.git / commitdiff