# system call counts # (c) 2010, Tom Zanussi # Licensed under the terms of the GNU GPL License version 2 # # Displays system-wide system call totals, broken down by syscall. # If a [comm] arg is specified, only syscalls called by [comm] are displayed. from __future__ import print_function import os import sys sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from perf_trace_context import * from Core import * from Util import syscall_name usage = "perf script -s syscall-counts.py [comm]\n"; for_comm = None if len(sys.argv) > 2: sys.exit(usage) if len(sys.argv) > 1: for_comm = sys.argv[1] syscalls = autodict() def trace_begin(): print("Press control+C to stop and show the summary") def trace_end(): print_syscall_totals() def raw_syscalls__sys_enter(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, common_callchain, id, args): if for_comm is not None: if common_comm != for_comm: return try: syscalls[id] += 1 except TypeError: syscalls[id] = 1 def syscalls__sys_enter(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, id, args): raw_syscalls__sys_enter(**locals()) def print_syscall_totals(): if for_comm is not None: print("\nsyscall events for %s:\n" % (for_comm)) else: print("\nsyscall events:\n") print("%-40s %10s" % ("event", "count")) print("%-40s %10s" % ("----------------------------------------", "-----------")) for id, val in sorted(syscalls.items(), key = lambda kv: (kv[1], kv[0]), reverse = True): print("%-40s %10d" % (syscall_name(id), val)) linux-2.6.24.y Hosts the 0x221E linux distro kernel.Ubuntu

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path: root/fs/proc/root.c

Age	Commit message (Expand)	Author
2016-06-10	Merge branch 'stacking-fixes' (vfs stacking fixes from Jann)	Linus Torvalds
2016-06-10	proc: prevent stacking filesystems on top	Jann Horn
2016-05-02	switch all procfs directories ->iterate_shared()	Al Viro
2015-07-10	vfs: Commit to never having exectuables on proc and sysfs.	Eric W. Biederman
2015-07-01	proc: Allow creating permanently empty directories that serve as mount points	Eric W. Biederman
2015-05-13	mnt: Refactor the logic for mounting sysfs and proc in a user namespace	Eric W. Biederman
2015-04-15	VFS: normal filesystems (and lustre): d_inode() annotations	David Howells
2014-12-10	fs/proc: use a rb tree for the directory entries	Nicolas Dichtel
2014-08-10	Revert "proc: Point /proc/{mounts,net} at /proc/thread-self/{mounts,net} inst...	Linus Torvalds
2014-08-09	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebi...	Linus Torvalds