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perf script python: Add Python3 support to failed-syscalls-by-pid.py

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Support both Python2 and Python3 in the failed-syscalls-by-pid.py script

There may be differences in the ordering of output lines due to
differences in dictionary ordering etc.  However the format within lines
should be unchanged.

The use of 'from __future__' implies the minimum supported Python2 version
is now v2.6

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/r/20190222230619.17887-5-tonyj@suse.de
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Tony Jones 2019-02-22 15:06:08 -08:00 • committed by Arnaldo Carvalho de Melo
parent 02b03ec383
commit 9b2700efc5
1 changed files with 11 additions and 10 deletions
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21
tools/perf/scripts/python/failed-syscalls-by-pid.py
View file

@ -5,6 +5,8 @@
# Displays system-wide failed system call totals, broken down by pid. # Displays system-wide failed system call totals, broken down by pid.
# If a [comm] arg is specified, only syscalls called by [comm] are displayed. # If a [comm] arg is specified, only syscalls called by [comm] are displayed.
from __future__ import print_function
import os import os
import sys import sys
@ -32,7 +34,7 @@ if len(sys.argv) > 1:
syscalls = autodict() syscalls = autodict()
def trace_begin(): def trace_begin():
print "Press control+C to stop and show the summary" print("Press control+C to stop and show the summary")
def trace_end(): def trace_end():
print_error_totals() print_error_totals()
@ -57,22 +59,21 @@ def syscalls__sys_exit(event_name, context, common_cpu,
def print_error_totals(): def print_error_totals():
if for_comm is not None: if for_comm is not None:
print "\nsyscall errors for %s:\n\n" % (for_comm), print("\nsyscall errors for %s:\n" % (for_comm))
else: else:
print "\nsyscall errors:\n\n", print("\nsyscall errors:\n")
print "%-30s %10s\n" % ("comm [pid]", "count"), print("%-30s %10s" % ("comm [pid]", "count"))
print "%-30s %10s\n" % ("------------------------------", \ print("%-30s %10s" % ("------------------------------", "----------"))
"----------"),
comm_keys = syscalls.keys() comm_keys = syscalls.keys()
for comm in comm_keys: for comm in comm_keys:
pid_keys = syscalls[comm].keys() pid_keys = syscalls[comm].keys()
for pid in pid_keys: for pid in pid_keys:
print "\n%s [%d]\n" % (comm, pid), print("\n%s [%d]" % (comm, pid))
id_keys = syscalls[comm][pid].keys() id_keys = syscalls[comm][pid].keys()
for id in id_keys: for id in id_keys:
print " syscall: %-16s\n" % syscall_name(id), print(" syscall: %-16s" % syscall_name(id))
ret_keys = syscalls[comm][pid][id].keys() 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): for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True):
print " err = %-20s %10d\n" % (strerror(ret), val), print(" err = %-20s %10d" % (strerror(ret), val))