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tools/sched_ext: scx_userland: fix stale data on restart

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Reset all counters, tasks and vruntime_head list on restart.

Signed-off-by: David Carlier <devnexen@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
David Carlier 2026-02-14 08:00:33 +00:00 • committed by Tejun Heo
parent cabd76bbc0
commit 0767684613
1 changed files with 8 additions and 0 deletions
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8
tools/sched_ext/scx_userland.c
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@ -375,6 +375,14 @@ static void pre_bootstrap(int argc, char **argv)
static void bootstrap(char *comm)
{
exit_req = 0;
min_vruntime = 0.0;
nr_vruntime_enqueues = 0;
nr_vruntime_dispatches = 0;
nr_vruntime_failed = 0;
nr_curr_enqueued = 0;
memset(tasks, 0, pid_max * sizeof(*tasks));
LIST_INIT(&vruntime_head);
skel = SCX_OPS_OPEN(userland_ops, scx_userland);
skel->rodata->num_possible_cpus = libbpf_num_possible_cpus();