From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH v2] sched/core: add forced idle accounting for cgroups
Date: Sun, 22 May 2022 14:35:18 +0800 [thread overview]
Message-ID: <202205221414.PmwthuWY-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 25399 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
In-Reply-To: <20220520235138.3140590-1-joshdon@google.com>
References: <20220520235138.3140590-1-joshdon@google.com>
TO: Josh Don <joshdon@google.com>
TO: Ingo Molnar <mingo@redhat.com>
TO: Peter Zijlstra <peterz@infradead.org>
TO: Juri Lelli <juri.lelli@redhat.com>
TO: Vincent Guittot <vincent.guittot@linaro.org>
TO: Tejun Heo <tj@kernel.org>
CC: Dietmar Eggemann <dietmar.eggemann@arm.com>
CC: Steven Rostedt <rostedt@goodmis.org>
CC: Ben Segall <bsegall@google.com>
CC: Mel Gorman <mgorman@suse.de>
CC: Daniel Bristot de Oliveira <bristot@redhat.com>
CC: Valentin Schneider <vschneid@redhat.com>
CC: linux-kernel(a)vger.kernel.org
CC: Cruz Zhao <CruzZhao@linux.alibaba.com>
CC: Josh Don <joshdon@google.com>
Hi Josh,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tj-cgroup/for-next]
[also build test WARNING on tip/sched/core tip/master v5.18-rc7 next-20220520]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/intel-lab-lkp/linux/commits/Josh-Don/sched-core-add-forced-idle-accounting-for-cgroups/20220521-075311
base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next
:::::: branch date: 31 hours ago
:::::: commit date: 31 hours ago
config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220522/202205221414.PmwthuWY-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b369762beb70dfef22c7e793aed79b94d7dc0757)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/0575a42c9f10cda618b09b949cc42fe97abea479
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Josh-Don/sched-core-add-forced-idle-accounting-for-cgroups/20220521-075311
git checkout 0575a42c9f10cda618b09b949cc42fe97abea479
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1394:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11
memcpy(Add2Ptr(attr, SIZEOF_RESIDENT), I30_NAME,
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1398:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memcpy(root, dir_root, offsetof(struct INDEX_ROOT, ihdr));
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1398:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11
memcpy(root, dir_root, offsetof(struct INDEX_ROOT, ihdr));
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1526:4: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memcpy(Add2Ptr(attr, SIZEOF_RESIDENT), rp, nsize);
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1526:4: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11
memcpy(Add2Ptr(attr, SIZEOF_RESIDENT), rp, nsize);
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1862:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memcpy(buffer, "OneDrive", err);
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
fs/ntfs3/inode.c:1862:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11
memcpy(buffer, "OneDrive", err);
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
Suppressed 47 warnings (47 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
38 warnings generated.
>> kernel/cgroup/rstat.c:455:24: warning: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage [clang-analyzer-core.uninitialized.Assign]
bstat->forceidle_sum += cpustat[CPUTIME_FORCEIDLE];
^
kernel/cgroup/rstat.c:467:2: note: Taking false branch
if (cgroup_parent(cgrp)) {
^
kernel/cgroup/rstat.c:477:3: note: Calling 'root_cgroup_cputime'
root_cgroup_cputime(&bstat);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/cgroup/rstat.c:433:2: note: Assuming 'i' is < 'nr_cpu_ids'
for_each_possible_cpu(i) {
^
include/linux/cpumask.h:814:36: note: expanded from macro 'for_each_possible_cpu'
#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cpumask.h:278:3: note: expanded from macro 'for_each_cpu'
(cpu) < nr_cpu_ids;)
^~~~~~~~~~~~~~~~~~
kernel/cgroup/rstat.c:433:2: note: Loop condition is true. Entering loop body
for_each_possible_cpu(i) {
^
include/linux/cpumask.h:814:36: note: expanded from macro 'for_each_possible_cpu'
#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
^
include/linux/cpumask.h:276:2: note: expanded from macro 'for_each_cpu'
for ((cpu) = -1; \
^
kernel/cgroup/rstat.c:455:24: note: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage
bstat->forceidle_sum += cpustat[CPUTIME_FORCEIDLE];
~~~~~~~~~~~~~~~~~~~~ ^
>> kernel/cgroup/rstat.c:482:18: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign]
forceidle_time = bstat.forceidle_sum;
^ ~~~~~~~~~~~~~~~~~~~
kernel/cgroup/rstat.c:467:2: note: Taking false branch
if (cgroup_parent(cgrp)) {
^
kernel/cgroup/rstat.c:477:3: note: Calling 'root_cgroup_cputime'
root_cgroup_cputime(&bstat);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/cgroup/rstat.c:433:2: note: Assuming 'i' is >= 'nr_cpu_ids'
for_each_possible_cpu(i) {
^
include/linux/cpumask.h:814:36: note: expanded from macro 'for_each_possible_cpu'
#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cpumask.h:278:3: note: expanded from macro 'for_each_cpu'
(cpu) < nr_cpu_ids;)
^~~~~~~~~~~~~~~~~~
kernel/cgroup/rstat.c:433:2: note: Loop condition is false. Execution continues on line 433
for_each_possible_cpu(i) {
^
include/linux/cpumask.h:814:36: note: expanded from macro 'for_each_possible_cpu'
#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
^
include/linux/cpumask.h:276:2: note: expanded from macro 'for_each_cpu'
for ((cpu) = -1; \
^
kernel/cgroup/rstat.c:458:1: note: Returning without writing to 'bstat->forceidle_sum'
}
^
kernel/cgroup/rstat.c:477:3: note: Returning from 'root_cgroup_cputime'
root_cgroup_cputime(&bstat);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/cgroup/rstat.c:482:18: note: Assigned value is garbage or undefined
forceidle_time = bstat.forceidle_sum;
^ ~~~~~~~~~~~~~~~~~~~
Suppressed 36 warnings (36 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
25 warnings generated.
Suppressed 25 warnings (25 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
25 warnings generated.
Suppressed 25 warnings (25 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
25 warnings generated.
Suppressed 25 warnings (25 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
26 warnings generated.
Suppressed 26 warnings (26 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
47 warnings generated.
drivers/iio/adc/ad7606.c:660:9: warning: Called function pointer is null (null dereference) [clang-analyzer-core.CallAndMessage]
ret = st->bops->sw_mode_config(indio_dev);
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/adc/ad7606.c:575:6: note: Assuming 'indio_dev' is non-null
if (!indio_dev)
^~~~~~~~~~
drivers/iio/adc/ad7606.c:575:2: note: Taking false branch
if (!indio_dev)
^
drivers/iio/adc/ad7606.c:582:2: note: Loop condition is false. Exiting loop
mutex_init(&st->lock);
^
include/linux/mutex.h:101:32: note: expanded from macro 'mutex_init'
#define mutex_init(mutex) \
^
drivers/iio/adc/ad7606.c:592:2: note: Taking false branch
if (IS_ERR(st->reg))
^
drivers/iio/adc/ad7606.c:596:6: note: Assuming 'ret' is 0
if (ret) {
^~~
drivers/iio/adc/ad7606.c:596:2: note: Taking false branch
if (ret) {
^
drivers/iio/adc/ad7606.c:601:8: note: Calling 'devm_add_action_or_reset'
ret = devm_add_action_or_reset(dev, ad7606_regulator_disable, st);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/device.h:255:6: note: Assuming 'ret' is 0, which participates in a condition later
if (ret)
^~~
include/linux/device.h:255:2: note: Taking false branch
if (ret)
^
include/linux/device.h:258:2: note: Returning zero (loaded from 'ret'), which participates in a condition later
return ret;
^~~~~~~~~~
drivers/iio/adc/ad7606.c:601:8: note: Returning from 'devm_add_action_or_reset'
ret = devm_add_action_or_reset(dev, ad7606_regulator_disable, st);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/adc/ad7606.c:602:6: note: 'ret' is 0
if (ret)
^~~
drivers/iio/adc/ad7606.c:602:2: note: Taking false branch
if (ret)
^
drivers/iio/adc/ad7606.c:607:6: note: Assuming field 'oversampling_num' is 0
if (st->chip_info->oversampling_num) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/adc/ad7606.c:607:2: note: Taking false branch
if (st->chip_info->oversampling_num) {
vim +455 kernel/cgroup/rstat.c
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 418
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 419 /*
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 420 * compute the cputime for the root cgroup by getting the per cpu data
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 421 * at a global level, then categorizing the fields in a manner consistent
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 422 * with how it is done by __cgroup_account_cputime_field for each bit of
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 423 * cpu time attributed to a cgroup.
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 424 */
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 425 static void root_cgroup_cputime(struct cgroup_base_stat *bstat)
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 426 {
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 427 struct task_cputime *cputime = &bstat->cputime;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 428 int i;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 429
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 430 cputime->stime = 0;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 431 cputime->utime = 0;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 432 cputime->sum_exec_runtime = 0;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 433 for_each_possible_cpu(i) {
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 434 struct kernel_cpustat kcpustat;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 435 u64 *cpustat = kcpustat.cpustat;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 436 u64 user = 0;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 437 u64 sys = 0;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 438
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 439 kcpustat_cpu_fetch(&kcpustat, i);
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 440
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 441 user += cpustat[CPUTIME_USER];
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 442 user += cpustat[CPUTIME_NICE];
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 443 cputime->utime += user;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 444
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 445 sys += cpustat[CPUTIME_SYSTEM];
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 446 sys += cpustat[CPUTIME_IRQ];
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 447 sys += cpustat[CPUTIME_SOFTIRQ];
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 448 cputime->stime += sys;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 449
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 450 cputime->sum_exec_runtime += user;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 451 cputime->sum_exec_runtime += sys;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 452 cputime->sum_exec_runtime += cpustat[CPUTIME_STEAL];
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 453
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 454 #ifdef CONFIG_SCHED_CORE
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 @455 bstat->forceidle_sum += cpustat[CPUTIME_FORCEIDLE];
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 456 #endif
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 457 }
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 458 }
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 459
d4ff749b5e0f1e kernel/cgroup/rstat.c Tejun Heo 2018-04-26 460 void cgroup_base_stat_cputime_show(struct seq_file *seq)
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 461 {
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 462 struct cgroup *cgrp = seq_css(seq)->cgroup;
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 463 u64 usage, utime, stime;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 464 struct cgroup_base_stat bstat;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 465 u64 __maybe_unused forceidle_time;
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 466
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 467 if (cgroup_parent(cgrp)) {
6162cef0f741c7 kernel/cgroup/rstat.c Tejun Heo 2018-04-26 468 cgroup_rstat_flush_hold(cgrp);
d4ff749b5e0f1e kernel/cgroup/rstat.c Tejun Heo 2018-04-26 469 usage = cgrp->bstat.cputime.sum_exec_runtime;
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 470 cputime_adjust(&cgrp->bstat.cputime, &cgrp->prev_cputime,
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 471 &utime, &stime);
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 472 #ifdef CONFIG_SCHED_CORE
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 473 forceidle_time = cgrp->bstat.forceidle_sum;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 474 #endif
6162cef0f741c7 kernel/cgroup/rstat.c Tejun Heo 2018-04-26 475 cgroup_rstat_flush_release();
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 476 } else {
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 477 root_cgroup_cputime(&bstat);
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 478 usage = bstat.cputime.sum_exec_runtime;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 479 utime = bstat.cputime.utime;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 480 stime = bstat.cputime.stime;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 481 #ifdef CONFIG_SCHED_CORE
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 @482 forceidle_time = bstat.forceidle_sum;
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 483 #endif
936f2a70f2077f kernel/cgroup/rstat.c Boris Burkov 2020-05-27 484 }
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 485
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 486 do_div(usage, NSEC_PER_USEC);
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 487 do_div(utime, NSEC_PER_USEC);
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 488 do_div(stime, NSEC_PER_USEC);
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 489 do_div(forceidle_time, NSEC_PER_USEC);
041cd640b2f3c5 kernel/cgroup/stat.c Tejun Heo 2017-09-25 490
d41bf8c9deaed1 kernel/cgroup/stat.c Tejun Heo 2017-10-23 491 seq_printf(seq, "usage_usec %llu\n"
d41bf8c9deaed1 kernel/cgroup/stat.c Tejun Heo 2017-10-23 492 "user_usec %llu\n"
d41bf8c9deaed1 kernel/cgroup/stat.c Tejun Heo 2017-10-23 493 "system_usec %llu\n",
d41bf8c9deaed1 kernel/cgroup/stat.c Tejun Heo 2017-10-23 494 usage, utime, stime);
0575a42c9f10cd kernel/cgroup/rstat.c Josh Don 2022-05-20 495
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-05-22 6:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-22 6:35 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-05-20 23:51 [PATCH v2] sched/core: add forced idle accounting for cgroups Josh Don
2022-05-21 1:31 ` kernel test robot
2022-05-21 2:38 ` kernel test robot
2022-05-21 3:19 ` kernel test robot
2022-05-21 10:00 ` Peter Zijlstra
2022-05-23 21:19 ` Josh Don
2022-05-23 11:27 ` Dan Carpenter
2022-05-21 7:32 ` kernel test robot
2022-05-23 11:27 ` Dan Carpenter
2022-05-23 21:20 ` Josh Don
2022-05-23 21:20 ` Josh Don
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202205221414.PmwthuWY-lkp@intel.com \
--to=lkp@intel.com \
--cc=kbuild@lists.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.