45 lines
1 KiB
C
45 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef PERF_FLAG_FD_NO_GROUP
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# define PERF_FLAG_FD_NO_GROUP (1UL << 0)
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#endif
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#ifndef PERF_FLAG_FD_OUTPUT
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# define PERF_FLAG_FD_OUTPUT (1UL << 1)
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#endif
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#ifndef PERF_FLAG_PID_CGROUP
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# define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */
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#endif
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#ifndef PERF_FLAG_FD_CLOEXEC
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# define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */
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#endif
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static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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int printed = 0, flags = arg->val;
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if (flags == 0)
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return 0;
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#define P_FLAG(n) \
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if (flags & PERF_FLAG_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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flags &= ~PERF_FLAG_##n; \
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}
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P_FLAG(FD_NO_GROUP);
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P_FLAG(FD_OUTPUT);
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P_FLAG(PID_CGROUP);
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P_FLAG(FD_CLOEXEC);
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#undef P_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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return printed;
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}
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#define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags
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