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perf script python: add Python3 support to check-perf-trace.py 

Support both Python 2 and Python 3 in the check-perf-trace.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 version of
Python2 is now v2.6

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/r/20190302011903.2416-4-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 2019-03-01 17:18:59 -08:00 committed by Arnaldo Carvalho de Melo
parent de2ec16bd4
commit 57e604b163
1 changed files with 17 additions and 14 deletions
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31
tools/perf/scripts/python/check-perf-trace.py
View File

@ -7,6 +7,8 @@
# events, etc. Basically, if this script runs successfully and
# displays expected results, Python scripting support should be ok.
from __future__ import print_function
import os
import sys
@ -19,7 +21,7 @@ from perf_trace_context import *
unhandled = autodict()
def trace_begin():
print "trace_begin"
print("trace_begin")
pass
def trace_end():
@ -33,7 +35,7 @@ def irq__softirq_entry(event_name, context, common_cpu,
print_uncommon(context)
print "vec=%s\n" % (symbol_str("irq__softirq_entry", "vec", vec)),
print("vec=%s" % (symbol_str("irq__softirq_entry", "vec", vec)))
def kmem__kmalloc(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
@ -44,10 +46,10 @@ def kmem__kmalloc(event_name, context, common_cpu,
print_uncommon(context)
print "call_site=%u, ptr=%u, bytes_req=%u, " \
"bytes_alloc=%u, gfp_flags=%s\n" % \
print("call_site=%u, ptr=%u, bytes_req=%u, "
"bytes_alloc=%u, gfp_flags=%s" %
(call_site, ptr, bytes_req, bytes_alloc,
flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)),
flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)))
def trace_unhandled(event_name, context, event_fields_dict):
try:
@ -56,26 +58,27 @@ def trace_unhandled(event_name, context, event_fields_dict):
unhandled[event_name] = 1
def print_header(event_name, cpu, secs, nsecs, pid, comm):
print "%-20s %5u %05u.%09u %8u %-20s " % \
print("%-20s %5u %05u.%09u %8u %-20s " %
(event_name, cpu, secs, nsecs, pid, comm),
end=' ')
# print trace fields not included in handler args
def print_uncommon(context):
print "common_preempt_count=%d, common_flags=%s, " \
"common_lock_depth=%d, " % \
print("common_preempt_count=%d, common_flags=%s, "
"common_lock_depth=%d, " %
(common_pc(context), trace_flag_str(common_flags(context)),
common_lock_depth(context))
common_lock_depth(context)))
def print_unhandled():
keys = unhandled.keys()
if not keys:
return
print "\nunhandled events:\n\n",
print("\nunhandled events:\n")
print "%-40s %10s\n" % ("event", "count"),
print "%-40s %10s\n" % ("----------------------------------------", \
"-----------"),
print("%-40s %10s" % ("event", "count"))
print("%-40s %10s" % ("----------------------------------------",
"-----------"))
for event_name in keys:
print "%-40s %10d\n" % (event_name, unhandled[event_name])
print("%-40s %10d\n" % (event_name, unhandled[event_name]))