@@ -229,7 +229,7 @@ long parse_ns_duration(char *val)
#define SCHED_DEADLINE 6
-static inline int sched_setattr(pid_t pid, const struct sched_attr *attr,
+static inline int syscall_sched_setattr(pid_t pid, const struct sched_attr *attr,
unsigned int flags) {
return syscall(__NR_sched_setattr, pid, attr, flags);
}
@@ -239,7 +239,7 @@ int __set_sched_attr(int pid, struct sched_attr *attr)
int flags = 0;
int retval;
- retval = sched_setattr(pid, attr, flags);
+ retval = syscall_sched_setattr(pid, attr, flags);
if (retval < 0) {
err_msg("Failed to set sched attributes to the pid %d: %s\n",
pid, strerror(errno));
@@ -46,6 +46,7 @@ update_sum(unsigned long long *a, unsigned long long *b)
*a += *b;
}
+#ifndef SCHED_ATTR_SIZE_VER0
struct sched_attr {
uint32_t size;
uint32_t sched_policy;
@@ -56,6 +57,7 @@ struct sched_attr {
uint64_t sched_deadline;
uint64_t sched_period;
};
+#endif /* SCHED_ATTR_SIZE_VER0 */
int parse_prio(char *arg, struct sched_attr *sched_param);
int parse_cpu_set(char *cpu_list, cpu_set_t *set);
glibc commit 21571ca0d703 ("Linux: Add the sched_setattr and sched_getattr functions") now also provides 'struct sched_attr' and sched_setattr() which collide with the ones from rtla. In file included from src/trace.c:11: src/utils.h:49:8: error: redefinition of ‘struct sched_attr’ 49 | struct sched_attr { | ^~~~~~~~~~ In file included from /usr/include/bits/sched.h:60, from /usr/include/sched.h:43, from /usr/include/tracefs/tracefs.h:10, from src/trace.c:4: /usr/include/linux/sched/types.h:98:8: note: originally defined here 98 | struct sched_attr { | ^~~~~~~~~~ Define 'struct sched_attr' conditionally, similar to what strace did: https://lore.kernel.org/all/20240930222913.3981407-1-raj.khem@gmail.com/ and rename rtla's version of sched_setattr() to avoid collision. Signed-off-by: Jan Stancek <jstancek@redhat.com> --- tools/tracing/rtla/src/utils.c | 4 ++-- tools/tracing/rtla/src/utils.h | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) Changes in v2: - used function name suggested by Thomas: syscall_sched_setattr()