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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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794f594e0c
The intention is to have this as a library, since it is not perf specific at all. I did the switch for the files where I'm the only contributor, with the exception of a few lines changed by Jiri Olsa. Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-a04q6chdyjknm1hr305ulx8h@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
// SPDX-License-Identifier: LGPL-2.1
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#include <sched.h>
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/*
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* Not defined anywhere else, probably, just to make sure we
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* catch future flags
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*/
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#define SCHED_POLICY_MASK 0xff
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#ifndef SCHED_DEADLINE
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#define SCHED_DEADLINE 6
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#endif
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#ifndef SCHED_RESET_ON_FORK
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#define SCHED_RESET_ON_FORK 0x40000000
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#endif
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static size_t syscall_arg__scnprintf_sched_policy(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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const char *policies[] = {
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"NORMAL", "FIFO", "RR", "BATCH", "ISO", "IDLE", "DEADLINE",
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};
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size_t printed;
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int policy = arg->val,
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flags = policy & ~SCHED_POLICY_MASK;
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policy &= SCHED_POLICY_MASK;
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if (policy <= SCHED_DEADLINE)
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printed = scnprintf(bf, size, "%s", policies[policy]);
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else
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printed = scnprintf(bf, size, "%#x", policy);
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#define P_POLICY_FLAG(n) \
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if (flags & SCHED_##n) { \
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printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
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flags &= ~SCHED_##n; \
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}
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P_POLICY_FLAG(RESET_ON_FORK);
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#undef P_POLICY_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
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return printed;
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}
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#define SCA_SCHED_POLICY syscall_arg__scnprintf_sched_policy
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