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bitesize-nd.meta
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title: Measure block I/O size distribution (non-debuginfo) name: bitesize-nd.stp author: Brendan Gregg keywords: io description: This uses the kernel tracepoint block_rq_insert to read the size of I/O. The output includes the name of the process or thread that was on-CPU when the I/O request was inserted on the issue queue. scope: system-wide usage: ./bitesize-nd.stp test_support: stap -p4 bitesize-nd.stp test_check: stap -p4 bitesize-nd.stp test_installcheck: stap bitesize-nd.stp -T 1