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authorJan Stancek <jstancek@redhat.com>2024-10-10 17:09:48 +0200
committerSteven Rostedt (Google) <rostedt@goodmis.org>2024-10-10 20:31:48 -0400
commit0eecee340672c4b512f6f4a8c6add26df05d130c (patch)
tree6047d137391d6c04cb406bd51c47fb927ddb9a8d
parent099a84019b64406a83b8d4f9f63235dbc16ed5b8 (diff)
tools/rtla: fix collision with glibc sched_attr/sched_set_attr
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. Link: https://lore.kernel.org/8088f66a7a57c1b209cd8ae0ae7c336a7f8c930d.1728572865.git.jstancek@redhat.com Signed-off-by: Jan Stancek <jstancek@redhat.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
-rw-r--r--tools/tracing/rtla/src/utils.c4
-rw-r--r--tools/tracing/rtla/src/utils.h2
2 files changed, 4 insertions, 2 deletions
diff --git a/tools/tracing/rtla/src/utils.c b/tools/tracing/rtla/src/utils.c
index 05b2b3fc005e..6fae234aaf36 100644
--- a/tools/tracing/rtla/src/utils.c
+++ b/tools/tracing/rtla/src/utils.c
@@ -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));
diff --git a/tools/tracing/rtla/src/utils.h b/tools/tracing/rtla/src/utils.h
index d44513e6c66a..99c9cf81bcd0 100644
--- a/tools/tracing/rtla/src/utils.h
+++ b/tools/tracing/rtla/src/utils.h
@@ -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);