Lines Matching +full:resource +full:- +full:files
7 --------
12 direct usage of perf_events system call API [2]_ and over data files
50 -------------------------------
58 scope and resource restrictions.
66 independently enabled and disabled on per-thread basis for processes and
67 files of unprivileged users.
103 ---------------------------------
105 Mechanisms of capabilities, privileged capability-dumb files [6]_,
118 # ls -alhF
119 -rwxr-xr-x 2 root root 11M Oct 19 15:12 perf
121 # ls -alhF
122 -rwxr-xr-x 2 root perf_users 11M Oct 19 15:12 perf
123 # chmod o-rwx perf
124 # ls -alhF
125 -rwxr-x--- 2 root perf_users 11M Oct 19 15:12 perf
134 # setcap -v "cap_perfmon,cap_sys_ptrace,cap_syslog=ep" perf
147 'perf top', alternatively use 'perf top -m N', to reduce the memory that
156 # perf top -e cycles
184 # ls -alh /usr/local/bin/perf.shell
185 -rwxr-xr-x. 1 root root 83 Oct 13 23:57 /usr/local/bin/perf.shell
187 exec /usr/sbin/capsh --iab=^cap_perfmon --secbits=239 --user=$SUDO_USER -- -l
203 …ups=1004(capsh_test),1000(perf_users) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
212 $ capsh --decode=0000004000000000
224 -----------------------------------
229 -1:
231 performance monitoring. Per-user per-cpu perf_event_mlock_kb [2]_
238 *scope* includes per-process and system wide performance monitoring
242 analysis. Per-user per-cpu perf_event_mlock_kb locking limit is
247 *scope* includes per-process performance monitoring only and
250 monitored and captured for later analysis. Per-user per-cpu
255 *scope* includes per-process performance monitoring only. CPU and
257 monitored and captured for later analysis. Per-user per-cpu
261 Resource control
262 ---------------------------------
268 every configured PMU event. Open file descriptors are a per-process
269 accountable resource governed by the RLIMIT_NOFILE [11]_ limit
270 (ulimit -n), which is usually derived from the login shell process. When
273 configuration. RLIMIT_NOFILE limit can be increased on per-user basis
284 setting. This perf_event specific resource setting defines overall
285 per-cpu limits of memory allowed for mapping by the user processes to
292 4128 KiB of memory above the RLIMIT_MEMLOCK limit (ulimit -l) for
296 monitoring processes, for example, using the --mmap-pages Perf record
301 RLIMIT_MEMLOCK and perf_event_mlock_kb resource constraints are ignored
308 ------------
311 .. [2] `<http://man7.org/linux/man-pages/man2/perf_event_open.2.html>`_
315 .. [6] `<http://man7.org/linux/man-pages/man7/capabilities.7.html>`_
316 .. [7] `<http://man7.org/linux/man-pages/man2/ptrace.2.html>`_
318 .. [9] `<https://en.wikipedia.org/wiki/Model-specific_register>`_
319 .. [10] `<http://man7.org/linux/man-pages/man5/acl.5.html>`_
320 .. [11] `<http://man7.org/linux/man-pages/man2/getrlimit.2.html>`_
321 .. [12] `<http://man7.org/linux/man-pages/man5/limits.conf.5.html>`_
323 .. [14] `<http://man7.org/linux/man-pages/man8/auditd.8.html>`_
324 .. [15] `<https://man7.org/linux/man-pages/man8/sudo.8.html>`_