Edit File: fsslower-nd.meta
title: Trace slow file system synchronous reads and writes (non-debuginfo) name: fsslower-nd.stp author: Brendan Gregg keywords: io filesystem description: This dynamically traces two common file system functions: do_sync_read() and do_sync_write(), and shows details of each call that is slower than a threshold. Many, but not all, file systems and workloads use these functions. Tracing their time provides one view of suffered file system latency. scope: system-wide usage: ./fsslower-nd.stp [min_ms] arg_1: Minimum millisecond threshold test_support: stap -p4 fsslower-nd.stp test_check: stap -p4 fsslower-nd.stp test_installcheck: stap fsslower-nd.stp -T 1