diff options
Diffstat (limited to 'scripts/kvm/kvm_flightrecorder')
| -rwxr-xr-x | scripts/kvm/kvm_flightrecorder | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/scripts/kvm/kvm_flightrecorder b/scripts/kvm/kvm_flightrecorder index 7fb1c2d1a7..54a56745e4 100755 --- a/scripts/kvm/kvm_flightrecorder +++ b/scripts/kvm/kvm_flightrecorder @@ -32,6 +32,7 @@ # consuming CPU cycles. No disk I/O is performed since the ring buffer holds a # fixed-size in-memory trace. +from __future__ import print_function import sys import os @@ -77,8 +78,8 @@ def tail_trace(): pass def usage(): - print 'Usage: %s start [buffer_size_kb] | stop | dump | tail' % sys.argv[0] - print 'Control the KVM flight recorder tracing.' + print('Usage: %s start [buffer_size_kb] | stop | dump | tail' % sys.argv[0]) + print('Control the KVM flight recorder tracing.') sys.exit(0) def main(): @@ -87,15 +88,15 @@ def main(): cmd = sys.argv[1] if cmd == '--version': - print 'kvm_flightrecorder version 1.0' + print('kvm_flightrecorder version 1.0') sys.exit(0) if not os.path.isdir(tracing_dir): - print 'Unable to tracing debugfs directory, try:' - print 'mount -t debugfs none /sys/kernel/debug' + print('Unable to tracing debugfs directory, try:') + print('mount -t debugfs none /sys/kernel/debug') sys.exit(1) if not os.access(tracing_dir, os.W_OK): - print 'Unable to write to tracing debugfs directory, please run as root' + print('Unable to write to tracing debugfs directory, please run as root') sys.exit(1) if cmd == 'start': @@ -105,16 +106,16 @@ def main(): try: buffer_size_kb = int(sys.argv[2]) except ValueError: - print 'Invalid per-cpu trace buffer size in KB' + print('Invalid per-cpu trace buffer size in KB') sys.exit(1) write_file(trace_path('buffer_size_kb'), str(buffer_size_kb)) - print 'Per-CPU ring buffer size set to %d KB' % buffer_size_kb + print('Per-CPU ring buffer size set to %d KB' % buffer_size_kb) start_tracing() - print 'KVM flight recorder enabled' + print('KVM flight recorder enabled') elif cmd == 'stop': stop_tracing() - print 'KVM flight recorder disabled' + print('KVM flight recorder disabled') elif cmd == 'dump': dump_trace() elif cmd == 'tail': |