github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-31 03:27:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

sched/walt: Deprecate RT task throttling

Browse Source 
Deprecate RT thottling mechanism in lieu of new feature that handles
long running RT tasks.

Change-Id: I1137c6deefc61bc311deac66788a06201e64146e
Signed-off-by: Sai Harshini Nimmala <quic_snimmala@quicinc.com>
This commit is contained in:
Sai Harshini Nimmala 2022-02-28 21:04:33 -08:00 committed by Rishabh Bhatnagar
parent e27237ebec
commit e20d764ffa
2 changed files with 0 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
kernel/sched/walt/walt.c
View File

@ -4210,23 +4210,6 @@ static void android_rvh_build_perf_domains(void *unused, bool *eas_check)
*eas_check = true;
}
static void dump_throttled_rt_tasks(void *unused, int cpu, u64 clock,
ktime_t rt_period, u64 rt_runtime, s64 rt_period_timer_expires)
{
printk_deferred("sched: RT throttling activated for cpu %d\n", cpu);
printk_deferred("rt_period_timer: expires=%lld now=%llu rt_time=%llu runtime=%llu period=%llu\n",
rt_period_timer_expires, ktime_get_ns(),
task_rq(current)->rt.rt_time, rt_runtime, rt_period);
printk_deferred("potential CPU hogs:\n");
#ifdef CONFIG_SCHED_INFO
if (sched_info_on())
printk_deferred("current %s (%d) is running for %llu nsec\n",
current->comm, current->pid,
clock - current->sched_info.last_arrival);
#endif
BUG_ON(sysctl_sched_bug_on_rt_throttle);
}
static void android_rvh_set_cpus_allowed_ptr_locked(void *unused,
const struct cpumask *cpu_valid_mask,
const struct cpumask *new_mask,
@ -4288,7 +4271,6 @@ static void register_walt_hooks(void)
register_trace_android_rvh_sched_exec(android_rvh_sched_exec, NULL);
register_trace_android_rvh_build_perf_domains(android_rvh_build_perf_domains, NULL);
register_trace_cpu_frequency_limits(walt_cpu_frequency_limits, NULL);
register_trace_android_vh_dump_throttled_rt_tasks(dump_throttled_rt_tasks, NULL);
register_trace_android_rvh_set_cpus_allowed_ptr_locked(
android_rvh_set_cpus_allowed_ptr_locked, NULL);
register_trace_android_rvh_rto_next_cpu(android_rvh_rto_next_cpu, NULL);

17
kernel/sched/walt/walt_debug.c
View File

@ -11,23 +11,6 @@
#include "walt.h"
#include "walt_debug.h"
static void dump_throttled_rt_tasks(void *unused, int cpu, u64 clock,
ktime_t rt_period, u64 rt_runtime, s64 rt_period_timer_expires)
{
printk_deferred("sched: RT throttling activated for cpu %d\n", cpu);
printk_deferred("rt_period_timer: expires=%lld now=%llu rt_time=%llu runtime=%llu period=%llu\n",
rt_period_timer_expires, ktime_get_ns(),
task_rq(current)->rt.rt_time, rt_runtime, rt_period);
printk_deferred("potential CPU hogs:\n");
#ifdef CONFIG_SCHED_INFO
if (sched_info_on())
printk_deferred("current %s (%d) is running for %llu nsec\n",
current->comm, current->pid,
clock - current->sched_info.last_arrival);
#endif
BUG();
}
static void android_rvh_schedule_bug(void *unused, void *unused2)
{
BUG();