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1// SPDX-License-Identifier: LGPL-2.12#include <sched.h>3 4/*5 * Not defined anywhere else, probably, just to make sure we6 * catch future flags7 */8#define SCHED_POLICY_MASK 0xff9 10#ifndef SCHED_DEADLINE11#define SCHED_DEADLINE 612#endif13#ifndef SCHED_RESET_ON_FORK14#define SCHED_RESET_ON_FORK 0x4000000015#endif16 17static size_t syscall_arg__scnprintf_sched_policy(char *bf, size_t size,18 struct syscall_arg *arg)19{20 bool show_prefix = arg->show_string_prefix;21 const char *prefix = "SCHED_";22 const char *policies[] = {23 "NORMAL", "FIFO", "RR", "BATCH", "ISO", "IDLE", "DEADLINE",24 };25 size_t printed;26 int policy = arg->val,27 flags = policy & ~SCHED_POLICY_MASK;28 29 policy &= SCHED_POLICY_MASK;30 if (policy <= SCHED_DEADLINE)31 printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", policies[policy]);32 else33 printed = scnprintf(bf, size, "%#x", policy);34 35#define P_POLICY_FLAG(n) \36 if (flags & SCHED_##n) { \37 printed += scnprintf(bf + printed, size - printed, "|%s%s", show_prefix ? prefix : "", #n); \38 flags &= ~SCHED_##n; \39 }40 41 P_POLICY_FLAG(RESET_ON_FORK);42#undef P_POLICY_FLAG43 44 if (flags)45 printed += scnprintf(bf + printed, size - printed, "|%#x", flags);46 47 return printed;48}49 50#define SCA_SCHED_POLICY syscall_arg__scnprintf_sched_policy51