63 lines
1.7 KiB
Plaintext
63 lines
1.7 KiB
Plaintext
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struct spdk_thread_stats {
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uint64_t busy_tsc;
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uint64_t idle_tsc;
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};
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struct spdk_scheduler_thread_info {
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uint32_t lcore;
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uint64_t thread_id;
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/* Defining these as a 1-element array here allows us to
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* create local variables for these members when accessing
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* them which improves readability.
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*/
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struct spdk_thread_stats total_stats[1];
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struct spdk_thread_stats current_stats[1];
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};
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struct spdk_scheduler_core_info {
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uint64_t total_idle_tsc;
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uint64_t total_busy_tsc;
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uint64_t current_idle_tsc;
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uint64_t current_busy_tsc;
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uint32_t lcore;
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uint32_t threads_count;
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bool interrupt_mode;
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struct spdk_scheduler_thread_info *thread_infos;
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};
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usdt:__EXE__:dynsched_move {
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$info = (struct spdk_scheduler_thread_info *)arg1;
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$stats = (struct spdk_thread_stats *)$info->current_stats;
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if ($stats->busy_tsc > 0) {
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$thread_pct = $stats->busy_tsc * 100 / ($stats->busy_tsc + $stats->idle_tsc);
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$core_pct = $stats->busy_tsc * 100 / (@cores_busy_tsc[$info->lcore] + @cores_idle_tsc[$info->lcore]);
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} else {
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$thread_pct = 0;
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$core_pct = 0;
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}
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printf("td:%2d old:%2d new:%2d td_busy:%2d% core_busy:%2d%\n",
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$info->thread_id, $info->lcore, arg2, $thread_pct, $core_pct);
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}
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usdt:__EXE__:dynsched_balance {
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printf("\n");
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clear(@cores_busy_tsc);
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clear(@cores_idle_tsc);
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printf("Starting balance across %d cores\n", arg1);
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}
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usdt:__EXE__:dynsched_core_info {
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$info = (struct spdk_scheduler_core_info *)arg2;
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$busy = $info->current_busy_tsc;
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$idle = $info->current_idle_tsc;
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if ($busy > 0) {
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$pct = $busy * 100 / ($busy + $idle);
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} else {
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$pct = 0;
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}
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printf("core:%2d busy:%10d idle:%10d pct:%2d% td_count:%2d\n", arg1, $busy, $idle, $pct, $info->threads_count);
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@cores_busy_tsc[arg1] = $busy;
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@cores_idle_tsc[arg1] = $idle;
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}
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