diff options
Diffstat (limited to 'run/executable/ftcat.py')
| -rw-r--r-- | run/executable/ftcat.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/run/executable/ftcat.py b/run/executable/ftcat.py new file mode 100644 index 0000000..5da8fa7 --- /dev/null +++ b/run/executable/ftcat.py | |||
| @@ -0,0 +1,33 @@ | |||
| 1 | import os | ||
| 2 | import stat | ||
| 3 | |||
| 4 | from executable import Executable | ||
| 5 | |||
| 6 | class FTcat(Executable): | ||
| 7 | '''Used to wrap the ftcat binary in the Experiment object.''' | ||
| 8 | |||
| 9 | def __init__(self, ft_cat_bin, stdout_file, stderr_file, dev, events, cpu=None): | ||
| 10 | '''Extends the Executable initializer method with ftcat attributes.''' | ||
| 11 | |||
| 12 | # hack to run FTCat at higher priority | ||
| 13 | chrt_bin = '/usr/bin/chrt' | ||
| 14 | |||
| 15 | super(FTcat, self).__init__(chrt_bin) | ||
| 16 | self.stdout_file = stdout_file | ||
| 17 | self.stderr_file = stderr_file | ||
| 18 | |||
| 19 | mode = os.stat(dev)[stat.ST_MODE] | ||
| 20 | if not mode & stat.S_IFCHR: | ||
| 21 | raise Exception("%s is not a character device" % dev) | ||
| 22 | |||
| 23 | if events is None: | ||
| 24 | raise Exception('No events!') | ||
| 25 | |||
| 26 | # hack to run FTCat at higher priority | ||
| 27 | self.extra_args = ['-f', '40'] | ||
| 28 | if cpu is not None: | ||
| 29 | # and bind it to a CPU | ||
| 30 | self.extra_args.extend(['/usr/bin/taskset', '-c', str(cpu)]) | ||
| 31 | events_str_arr = map(str, events) | ||
| 32 | self.extra_args.extend([ft_cat_bin, dev] + events_str_arr) | ||
| 33 | |||
