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Arnaldo Carvalho de Meloa3bca912016-04-06 12:51:33 -03001#include <sched.h>
2
3/*
4 * Not defined anywhere else, probably, just to make sure we
5 * catch future flags
6 */
7#define SCHED_POLICY_MASK 0xff
8
9#ifndef SCHED_DEADLINE
10#define SCHED_DEADLINE 6
11#endif
Arnaldo Carvalho de Meloa41af252016-06-30 11:57:33 -030012#ifndef SCHED_RESET_ON_FORK
13#define SCHED_RESET_ON_FORK 0x40000000
14#endif
Arnaldo Carvalho de Meloa3bca912016-04-06 12:51:33 -030015
16static size_t syscall_arg__scnprintf_sched_policy(char *bf, size_t size,
17 struct syscall_arg *arg)
18{
19 const char *policies[] = {
20 "NORMAL", "FIFO", "RR", "BATCH", "ISO", "IDLE", "DEADLINE",
21 };
22 size_t printed;
23 int policy = arg->val,
24 flags = policy & ~SCHED_POLICY_MASK;
25
26 policy &= SCHED_POLICY_MASK;
27 if (policy <= SCHED_DEADLINE)
28 printed = scnprintf(bf, size, "%s", policies[policy]);
29 else
30 printed = scnprintf(bf, size, "%#x", policy);
31
32#define P_POLICY_FLAG(n) \
33 if (flags & SCHED_##n) { \
34 printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
35 flags &= ~SCHED_##n; \
36 }
37
38 P_POLICY_FLAG(RESET_ON_FORK);
39#undef P_POLICY_FLAG
40
41 if (flags)
42 printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
43
44 return printed;
45}
46
47#define SCA_SCHED_POLICY syscall_arg__scnprintf_sched_policy