55 lines
1.2 KiB
Text
55 lines
1.2 KiB
Text
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#include <sys/taskq.h>
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kprobe:trace_zfs_taskq_ent__birth
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{
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$tqent = (struct taskq_ent *)arg0;
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$tqent_id = $tqent->tqent_id;
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$tq_name = str($tqent->tqent_taskq->tq_name);
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@birth[$tq_name, $tqent_id] = nsecs;
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}
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kprobe:trace_zfs_taskq_ent__start
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{
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$tqent = (struct taskq_ent *)arg0;
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@tqent_id[tid] = $tqent->tqent_id;
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@tq_name[tid] = str($tqent->tqent_taskq->tq_name);
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@start[@tq_name[tid], @tqent_id[tid]] = nsecs;
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}
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kprobe:trace_zfs_taskq_ent__start
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/ @birth[@tq_name[tid], @tqent_id[tid]] /
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{
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@queue_lat_us[@tq_name[tid]] =
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hist((nsecs - @birth[@tq_name[tid], @tqent_id[tid]])/1000);
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delete(@birth[@tq_name[tid], @tqent_id[tid]]);
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}
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kprobe:trace_zfs_taskq_ent__finish
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/ @start[@tq_name[tid], @tqent_id[tid]] /
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{
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$tqent = (struct taskq_ent *)arg0;
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@exec_lat_us[@tq_name[tid], ksym($tqent->tqent_func)] =
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hist((nsecs - @start[@tq_name[tid], @tqent_id[tid]])/1000);
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delete(@start[@tq_name[tid], @tqent_id[tid]]);
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}
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kprobe:trace_zfs_taskq_ent__finish
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{
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delete(@tq_name[tid]);
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delete(@tqent_id[tid]);
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}
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END
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{
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clear(@birth);
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clear(@start);
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clear(@tq_name);
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clear(@tqent_id);
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}
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