perf-tools | Performance analysis tools based on Linux perf_events
kandi X-RAY | perf-tools Summary
kandi X-RAY | perf-tools Summary
A miscellaneous collection of in-development and unsupported performance analysis tools for Linux ftrace and perf_events (aka the "perf" command). Both ftrace and perf are core Linux tracing tools, included in the kernel source. Your system probably has ftrace already, and perf is often just a package add (see Prerequisites). These tools are designed to be easy to install (fewest dependencies), provide advanced performance observability, and be simple to use: do one thing and do it well. This collection was created by Brendan Gregg (author of the DTraceToolkit). Many of these tools employ workarounds so that functionality is possible on existing Linux kernels. Because of this, many tools have caveats (see man pages), and their implementation should be considered a placeholder until future kernel features, or new tracing subsystems, are added. These are intended for Linux 3.2 and newer kernels. For Linux 2.6.x, see Warnings.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of perf-tools
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QUESTION
when I execute this code, taking error "awk: line 19: syntax error at or near", I want to know how to locate where the error occurred, line 19 is comments, so line 19 is not the 19 line in code? and what can i do for this issue?
TL;DR I have described my problem,but I can't post, "It looks like your post is mostly code; please add some more details." I have to write this... TAT
...ANSWER
Answered 2022-Apr-08 at 03:03The line in question is line 19 of the large awk block at the end of the opensnoop
shell script:
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