Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
// SPDX-License-Identifier: LGPL-2.1
|
|
#include <sched.h>
|
|
|
|
/*
|
|
* Not defined anywhere else, probably, just to make sure we
|
|
* catch future flags
|
|
*/
|
|
#define SCHED_POLICY_MASK 0xff
|
|
|
|
#ifndef SCHED_DEADLINE
|
|
#define SCHED_DEADLINE 6
|
|
#endif
|
|
#ifndef SCHED_RESET_ON_FORK
|
|
#define SCHED_RESET_ON_FORK 0x40000000
|
|
#endif
|
|
|
|
static size_t syscall_arg__scnprintf_sched_policy(char *bf, size_t size,
|
|
struct syscall_arg *arg)
|
|
{
|
|
bool show_prefix = arg->show_string_prefix;
|
|
const char *prefix = "SCHED_";
|
|
const char *policies[] = {
|
|
"NORMAL", "FIFO", "RR", "BATCH", "ISO", "IDLE", "DEADLINE",
|
|
};
|
|
size_t printed;
|
|
int policy = arg->val,
|
|
flags = policy & ~SCHED_POLICY_MASK;
|
|
|
|
policy &= SCHED_POLICY_MASK;
|
|
if (policy <= SCHED_DEADLINE)
|
|
printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", policies[policy]);
|
|
else
|
|
printed = scnprintf(bf, size, "%#x", policy);
|
|
|
|
#define P_POLICY_FLAG(n) \
|
|
if (flags & SCHED_##n) { \
|
|
printed += scnprintf(bf + printed, size - printed, "|%s%s", show_prefix ? prefix : "", #n); \
|
|
flags &= ~SCHED_##n; \
|
|
}
|
|
|
|
P_POLICY_FLAG(RESET_ON_FORK);
|
|
#undef P_POLICY_FLAG
|
|
|
|
if (flags)
|
|
printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
|
|
|
|
return printed;
|
|
}
|
|
|
|
#define SCA_SCHED_POLICY syscall_arg__scnprintf_sched_policy
|