def copy_proc_files(output_dir, pid, iteration):
tag = "copy_proc_files"
pid = str(pid)
iteration = str(iteration).zfill(3)
# http://stackoverflow.com/questions/339007/python-nicest-way-to-pad-zeroes-to-string
proc_root = "/proc"
proc_files = ["smaps", "maps", "status", "stat"]
for fname in proc_files:
src_fname = ("{0}/{1}/{2}").format(proc_root, pid, fname)
#dst_fname = ("{0}/{1}-{2}-{3}").format(
# output_dir, iteration, fname, pid)
dst_fname = ("{0}/{1}-{2}").format(
output_dir, iteration, fname)
#print_debug(tag, ("src_fname={0} dst_fname={1}").format(
# src_fname, dst_fname))
vm.copy_proc_file_old(src_fname, dst_fname)
save_pstree("{}/{}-pstree".format(output_dir, fname))
cmdline = "ls -ahl {0}/{1}/".format(proc_root, pid)
dst_fname = "{0}/{1}-ls-ahl".format(output_dir, iteration)
retcode = exec_cmd_save_output(cmdline, dst_fname, dst_fname)
if retcode != 0:
print_warning(tag, ("got back non-zero retcode {0} from "
"exec_cmd_save_output()").format(retcode))
return
def copy_proc_files(pid_dir, output_subdir):
tag = "copy_proc_files"
# pid_dir is a /proc/[pid] directory, and output_subdir is a corresponding
# [pid] subdirectory in the output directory. Scan through the list of
# files that we care about and copy the contents of each one to the output
# directory. Because /proc files are not normal file system files, we
# don't use a copy command, but instead open every file for reading and
# then write every line to the output file.
for fname in proc_files_we_care_about:
proc_fname = "{0}/{1}".format(pid_dir, fname)
out_fname = "{0}/{1}".format(output_subdir, fname)
print_debug(tag, ("copying '{0}' to '{1}'".format(
proc_fname, out_fname)))
vm.copy_proc_file_old(proc_fname, out_fname)
