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

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

Tony Jones committed 7 years ago

Commit 9b2700e1 parent 02b03ec1 file · +11 −10Browse files

Showing the changes to tools/perf/scripts/python (1 of 1 file). Show all

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tools/perf/scripts/python/failed-syscalls-by-pid.py+11−10
@@ -5,6 +5,8 @@ · 4 unmodified lines
55 # Displays system-wide failed system call totals, broken down by pid.
66 # If a [comm] arg is specified, only syscalls called by [comm] are displayed.
77
8+from __future__ import print_function
9+
810 import os
911 import sys
1012
@@ -32,7 +34,7 @@ if len(sys.argv) > 1: · 21 unmodified lines
3234 syscalls = autodict()
3335
3436 def trace_begin():
35− print "Press control+C to stop and show the summary"
37+ print("Press control+C to stop and show the summary")
3638
3739 def trace_end():
3840 print_error_totals()
@@ -57,22 +59,21 @@ def syscalls__sys_exit(event_name, context, common_cpu, · 18 unmodified lines
5759
5860 def print_error_totals():
5961 if for_comm is not None:
60− print "\nsyscall errors for %s:\n\n" % (for_comm),
62+ print("\nsyscall errors for %s:\n" % (for_comm))
6163 else:
62− print "\nsyscall errors:\n\n",
64+ print("\nsyscall errors:\n")
6365
64− print "%-30s %10s\n" % ("comm [pid]", "count"),
65− print "%-30s %10s\n" % ("------------------------------", \
66− "----------"),
66+ print("%-30s %10s" % ("comm [pid]", "count"))
67+ print("%-30s %10s" % ("------------------------------", "----------"))
6768
6869 comm_keys = syscalls.keys()
6970 for comm in comm_keys:
7071 pid_keys = syscalls[comm].keys()
7172 for pid in pid_keys:
72− print "\n%s [%d]\n" % (comm, pid),
73+ print("\n%s [%d]" % (comm, pid))
7374 id_keys = syscalls[comm][pid].keys()
7475 for id in id_keys:
75− print " syscall: %-16s\n" % syscall_name(id),
76+ print(" syscall: %-16s" % syscall_name(id))
7677 ret_keys = syscalls[comm][pid][id].keys()
77− for ret, val in sorted(syscalls[comm][pid][id].iteritems(), key = lambda(k, v): (v, k), reverse = True):
78− print " err = %-20s %10d\n" % (strerror(ret), val),
78+ for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True):
79+ print(" err = %-20s %10d" % (strerror(ret), val))