diff options
Diffstat (limited to 'tools/sched_ext/scx_qmap.bpf.c')
| -rw-r--r-- | tools/sched_ext/scx_qmap.bpf.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/tools/sched_ext/scx_qmap.bpf.c b/tools/sched_ext/scx_qmap.bpf.c index ee264947e0c3..69d877501cb7 100644 --- a/tools/sched_ext/scx_qmap.bpf.c +++ b/tools/sched_ext/scx_qmap.bpf.c @@ -33,7 +33,7 @@ enum consts { char _license[] SEC("license") = "GPL"; -const volatile u64 slice_ns = SCX_SLICE_DFL; +const volatile u64 slice_ns; const volatile u32 stall_user_nth; const volatile u32 stall_kernel_nth; const volatile u32 dsp_inf_loop_after; @@ -231,7 +231,7 @@ void BPF_STRUCT_OPS(qmap_enqueue, struct task_struct *p, u64 enq_flags) } /* if select_cpu() wasn't called, try direct dispatch */ - if (!(enq_flags & SCX_ENQ_CPU_SELECTED) && + if (!__COMPAT_is_enq_cpu_selected(enq_flags) && (cpu = pick_direct_dispatch_cpu(p, scx_bpf_task_cpu(p))) >= 0) { __sync_fetch_and_add(&nr_ddsp_from_enq, 1); scx_bpf_dsq_insert(p, SCX_DSQ_LOCAL_ON | cpu, slice_ns, enq_flags); @@ -615,6 +615,26 @@ void BPF_STRUCT_OPS(qmap_dump_task, struct scx_dump_ctx *dctx, struct task_struc taskc->force_local, taskc->core_sched_seq); } +s32 BPF_STRUCT_OPS(qmap_cgroup_init, struct cgroup *cgrp, struct scx_cgroup_init_args *args) +{ + bpf_printk("CGRP INIT %llu weight=%u period=%lu quota=%ld burst=%lu", + cgrp->kn->id, args->weight, args->bw_period_us, + args->bw_quota_us, args->bw_burst_us); + return 0; +} + +void BPF_STRUCT_OPS(qmap_cgroup_set_weight, struct cgroup *cgrp, u32 weight) +{ + bpf_printk("CGRP SET %llu weight=%u", cgrp->kn->id, weight); +} + +void BPF_STRUCT_OPS(qmap_cgroup_set_bandwidth, struct cgroup *cgrp, + u64 period_us, u64 quota_us, u64 burst_us) +{ + bpf_printk("CGRP SET %llu period=%lu quota=%ld burst=%lu", cgrp->kn->id, + period_us, quota_us, burst_us); +} + /* * Print out the online and possible CPU map using bpf_printk() as a * demonstration of using the cpumask kfuncs and ops.cpu_on/offline(). @@ -763,6 +783,8 @@ static void dump_shared_dsq(void) static int monitor_timerfn(void *map, int *key, struct bpf_timer *timer) { + struct scx_event_stats events; + bpf_rcu_read_lock(); dispatch_highpri(true); bpf_rcu_read_unlock(); @@ -772,6 +794,25 @@ static int monitor_timerfn(void *map, int *key, struct bpf_timer *timer) if (print_shared_dsq) dump_shared_dsq(); + __COMPAT_scx_bpf_events(&events, sizeof(events)); + + bpf_printk("%35s: %lld", "SCX_EV_SELECT_CPU_FALLBACK", + scx_read_event(&events, SCX_EV_SELECT_CPU_FALLBACK)); + bpf_printk("%35s: %lld", "SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE", + scx_read_event(&events, SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE)); + bpf_printk("%35s: %lld", "SCX_EV_DISPATCH_KEEP_LAST", + scx_read_event(&events, SCX_EV_DISPATCH_KEEP_LAST)); + bpf_printk("%35s: %lld", "SCX_EV_ENQ_SKIP_EXITING", + scx_read_event(&events, SCX_EV_ENQ_SKIP_EXITING)); + bpf_printk("%35s: %lld", "SCX_EV_REFILL_SLICE_DFL", + scx_read_event(&events, SCX_EV_REFILL_SLICE_DFL)); + bpf_printk("%35s: %lld", "SCX_EV_BYPASS_DURATION", + scx_read_event(&events, SCX_EV_BYPASS_DURATION)); + bpf_printk("%35s: %lld", "SCX_EV_BYPASS_DISPATCH", + scx_read_event(&events, SCX_EV_BYPASS_DISPATCH)); + bpf_printk("%35s: %lld", "SCX_EV_BYPASS_ACTIVATE", + scx_read_event(&events, SCX_EV_BYPASS_ACTIVATE)); + bpf_timer_start(timer, ONE_SEC_IN_NS, 0); return 0; } @@ -819,6 +860,9 @@ SCX_OPS_DEFINE(qmap_ops, .dump = (void *)qmap_dump, .dump_cpu = (void *)qmap_dump_cpu, .dump_task = (void *)qmap_dump_task, + .cgroup_init = (void *)qmap_cgroup_init, + .cgroup_set_weight = (void *)qmap_cgroup_set_weight, + .cgroup_set_bandwidth = (void *)qmap_cgroup_set_bandwidth, .cpu_online = (void *)qmap_cpu_online, .cpu_offline = (void *)qmap_cpu_offline, .init = (void *)qmap_init, |