flamegraph/jbd2.svg

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<!-- Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples. -->
<!-- NOTES:  -->
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<text id="title" x="600.00" y="24" >Flame Graph</text>
<text id="details" x="10.00" y="373" > </text>
<text id="unzoom" x="10.00" y="24" class="hide">Reset Zoom</text>
<text id="search" x="1090.00" y="24" >Search</text>
<text id="matched" x="1090.00" y="373" > </text>
<g id="frames">
<g >
<title>blk_account_io_start (6 samples, 8.96%)</title><rect x="732.1" y="117" width="105.7" height="15.0" fill="rgb(234,57,30)" rx="2" ry="2" />
<text  x="735.09" y="127.5" >blk_account_..</text>
</g>
<g >
<title>mempool_alloc_slab (2 samples, 2.99%)</title><rect x="432.7" y="149" width="35.2" height="15.0" fill="rgb(231,15,3)" rx="2" ry="2" />
<text  x="435.69" y="159.5" >me..</text>
</g>
<g >
<title>__schedule (16 samples, 23.88%)</title><rect x="115.7" y="181" width="281.8" height="15.0" fill="rgb(225,114,20)" rx="2" ry="2" />
<text  x="118.67" y="191.5" >__schedule</text>
</g>
<g >
<title>mempool_alloc (1 samples, 1.49%)</title><rect x="556.0" y="181" width="17.6" height="15.0" fill="rgb(215,200,3)" rx="2" ry="2" />
<text  x="558.97" y="191.5" ></text>
</g>
<g >
<title>kthread (67 samples, 100.00%)</title><rect x="10.0" y="293" width="1180.0" height="15.0" fill="rgb(227,102,16)" rx="2" ry="2" />
<text  x="13.00" y="303.5" >kthread</text>
</g>
<g >
<title>submit_bio (35 samples, 52.24%)</title><rect x="573.6" y="181" width="616.4" height="15.0" fill="rgb(231,33,3)" rx="2" ry="2" />
<text  x="576.58" y="191.5" >submit_bio</text>
</g>
<g >
<title>read_hv_clock_tsc (2 samples, 2.99%)</title><rect x="943.4" y="101" width="35.3" height="15.0" fill="rgb(207,6,30)" rx="2" ry="2" />
<text  x="946.43" y="111.5" >re..</text>
</g>
<g >
<title>ext4_journal_commit_callback (67 samples, 100.00%)</title><rect x="10.0" y="245" width="1180.0" height="15.0" fill="rgb(230,10,26)" rx="2" ry="2" />
<text  x="13.00" y="255.5" >ext4_journal_commit_callback</text>
</g>
<g >
<title>wbt_wait (1 samples, 1.49%)</title><rect x="1137.2" y="133" width="17.6" height="15.0" fill="rgb(227,82,9)" rx="2" ry="2" />
<text  x="1140.16" y="143.5" ></text>
</g>
<g >
<title>_cond_resched (18 samples, 26.87%)</title><rect x="80.4" y="197" width="317.1" height="15.0" fill="rgb(205,173,19)" rx="2" ry="2" />
<text  x="83.45" y="207.5" >_cond_resched</text>
</g>
<g >
<title>blk_integrity_merge_bio (1 samples, 1.49%)</title><rect x="714.5" y="101" width="17.6" height="15.0" fill="rgb(253,82,16)" rx="2" ry="2" />
<text  x="717.48" y="111.5" ></text>
</g>
<g >
<title>jbd2/sda1-8 (67 samples, 100.00%)</title><rect x="10.0" y="325" width="1180.0" height="15.0" fill="rgb(222,0,48)" rx="2" ry="2" />
<text  x="13.00" y="335.5" >jbd2/sda1-8</text>
</g>
<g >
<title>blk_mq_queue_tag_busy_iter (1 samples, 1.49%)</title><rect x="820.1" y="53" width="17.7" height="15.0" fill="rgb(241,6,49)" rx="2" ry="2" />
<text  x="823.15" y="63.5" ></text>
</g>
<g >
<title>mempool_alloc (3 samples, 4.48%)</title><rect x="415.1" y="165" width="52.8" height="15.0" fill="rgb(227,229,41)" rx="2" ry="2" />
<text  x="418.07" y="175.5" >mempo..</text>
</g>
<g >
<title>mod_delayed_work_on (7 samples, 10.45%)</title><rect x="978.7" y="69" width="123.2" height="15.0" fill="rgb(240,105,51)" rx="2" ry="2" />
<text  x="981.66" y="79.5" >mod_delayed_wor..</text>
</g>
<g >
<title>finish_task_switch (16 samples, 23.88%)</title><rect x="115.7" y="165" width="281.8" height="15.0" fill="rgb(229,54,32)" rx="2" ry="2" />
<text  x="118.67" y="175.5" >finish_task_switch</text>
</g>
<g >
<title>kmem_cache_alloc (2 samples, 2.99%)</title><rect x="432.7" y="133" width="35.2" height="15.0" fill="rgb(242,72,51)" rx="2" ry="2" />
<text  x="435.69" y="143.5" >km..</text>
</g>
<g >
<title>part_in_flight (1 samples, 1.49%)</title><rect x="820.1" y="85" width="17.7" height="15.0" fill="rgb(229,158,51)" rx="2" ry="2" />
<text  x="823.15" y="95.5" ></text>
</g>
<g >
<title>kjournald2 (67 samples, 100.00%)</title><rect x="10.0" y="277" width="1180.0" height="15.0" fill="rgb(252,197,27)" rx="2" ry="2" />
<text  x="13.00" y="287.5" >kjournald2</text>
</g>
<g >
<title>blk_queue_split (2 samples, 2.99%)</title><rect x="1101.9" y="133" width="35.3" height="15.0" fill="rgb(244,156,2)" rx="2" ry="2" />
<text  x="1104.94" y="143.5" >bl..</text>
</g>
<g >
<title>ext4_process_freed_data (67 samples, 100.00%)</title><rect x="10.0" y="229" width="1180.0" height="15.0" fill="rgb(225,107,46)" rx="2" ry="2" />
<text  x="13.00" y="239.5" >ext4_process_freed_data</text>
</g>
<g >
<title>__slab_alloc (2 samples, 2.99%)</title><rect x="432.7" y="117" width="35.2" height="15.0" fill="rgb(221,181,39)" rx="2" ry="2" />
<text  x="435.69" y="127.5" >__..</text>
</g>
<g >
<title>bio_init (1 samples, 1.49%)</title><rect x="397.5" y="165" width="17.6" height="15.0" fill="rgb(218,132,41)" rx="2" ry="2" />
<text  x="400.46" y="175.5" ></text>
</g>
<g >
<title>percpu_counter_add_batch (1 samples, 1.49%)</title><rect x="1172.4" y="133" width="17.6" height="15.0" fill="rgb(205,66,11)" rx="2" ry="2" />
<text  x="1175.39" y="143.5" ></text>
</g>
<g >
<title>generic_make_request (35 samples, 52.24%)</title><rect x="573.6" y="165" width="616.4" height="15.0" fill="rgb(226,114,4)" rx="2" ry="2" />
<text  x="576.58" y="175.5" >generic_make_request</text>
</g>
<g >
<title>kthread_blkcg (1 samples, 1.49%)</title><rect x="1154.8" y="133" width="17.6" height="15.0" fill="rgb(229,92,39)" rx="2" ry="2" />
<text  x="1157.78" y="143.5" ></text>
</g>
<g >
<title>bio_chain (5 samples, 7.46%)</title><rect x="467.9" y="181" width="88.1" height="15.0" fill="rgb(209,98,4)" rx="2" ry="2" />
<text  x="470.91" y="191.5" >bio_chain</text>
</g>
<g >
<title>ktime_get (2 samples, 2.99%)</title><rect x="943.4" y="117" width="35.3" height="15.0" fill="rgb(213,66,39)" rx="2" ry="2" />
<text  x="946.43" y="127.5" >kt..</text>
</g>
<g >
<title>blk_mq_bio_list_merge (1 samples, 1.49%)</title><rect x="714.5" y="117" width="17.6" height="15.0" fill="rgb(232,212,44)" rx="2" ry="2" />
<text  x="717.48" y="127.5" ></text>
</g>
<g >
<title>blk_mq_in_flight (1 samples, 1.49%)</title><rect x="820.1" y="69" width="17.7" height="15.0" fill="rgb(212,172,12)" rx="2" ry="2" />
<text  x="823.15" y="79.5" ></text>
</g>
<g >
<title>blk_mq_check_inflight (1 samples, 1.49%)</title><rect x="820.1" y="37" width="17.7" height="15.0" fill="rgb(232,153,36)" rx="2" ry="2" />
<text  x="823.15" y="47.5" ></text>
</g>
<g >
<title>blk_mq_run_hw_queue (7 samples, 10.45%)</title><rect x="978.7" y="117" width="123.2" height="15.0" fill="rgb(244,45,41)" rx="2" ry="2" />
<text  x="981.66" y="127.5" >blk_mq_run_hw_q..</text>
</g>
<g >
<title>generic_make_request_checks (2 samples, 2.99%)</title><rect x="1154.8" y="149" width="35.2" height="15.0" fill="rgb(242,123,1)" rx="2" ry="2" />
<text  x="1157.78" y="159.5" >ge..</text>
</g>
<g >
<title>next_bio (45 samples, 67.16%)</title><rect x="397.5" y="197" width="792.5" height="15.0" fill="rgb(243,113,43)" rx="2" ry="2" />
<text  x="400.46" y="207.5" >next_bio</text>
</g>
<g >
<title>blk_mq_bio_to_request (7 samples, 10.45%)</title><rect x="732.1" y="133" width="123.3" height="15.0" fill="rgb(254,95,42)" rx="2" ry="2" />
<text  x="735.09" y="143.5" >blk_mq_bio_to_r..</text>
</g>
<g >
<title>__blkdev_issue_discard (65 samples, 97.01%)</title><rect x="45.2" y="213" width="1144.8" height="15.0" fill="rgb(221,204,49)" rx="2" ry="2" />
<text  x="48.22" y="223.5" >__blkdev_issue_discard</text>
</g>
<g >
<title>kblockd_mod_delayed_work_on (7 samples, 10.45%)</title><rect x="978.7" y="85" width="123.2" height="15.0" fill="rgb(212,187,43)" rx="2" ry="2" />
<text  x="981.66" y="95.5" >kblockd_mod_del..</text>
</g>
<g >
<title>part_round_stats (1 samples, 1.49%)</title><rect x="820.1" y="101" width="17.7" height="15.0" fill="rgb(250,218,19)" rx="2" ry="2" />
<text  x="823.15" y="111.5" ></text>
</g>
<g >
<title>blk_init_request_from_bio (1 samples, 1.49%)</title><rect x="837.8" y="117" width="17.6" height="15.0" fill="rgb(251,140,21)" rx="2" ry="2" />
<text  x="840.76" y="127.5" ></text>
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<g >
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<title>__blk_mq_delay_run_hw_queue (7 samples, 10.45%)</title><rect x="978.7" y="101" width="123.2" height="15.0" fill="rgb(215,186,25)" rx="2" ry="2" />
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<title>jbd2_journal_commit_transaction (67 samples, 100.00%)</title><rect x="10.0" y="261" width="1180.0" height="15.0" fill="rgb(229,207,52)" rx="2" ry="2" />
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<title>blk_mq_get_request (7 samples, 10.45%)</title><rect x="855.4" y="133" width="123.3" height="15.0" fill="rgb(240,131,8)" rx="2" ry="2" />
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<title>ret_from_fork (67 samples, 100.00%)</title><rect x="10.0" y="309" width="1180.0" height="15.0" fill="rgb(207,63,42)" rx="2" ry="2" />
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<title>all (67 samples, 100%)</title><rect x="10.0" y="341" width="1180.0" height="15.0" fill="rgb(227,178,14)" rx="2" ry="2" />
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<title>bio_alloc_bioset (4 samples, 5.97%)</title><rect x="397.5" y="181" width="70.4" height="15.0" fill="rgb(243,185,12)" rx="2" ry="2" />
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