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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://social.kernel.org/objects/4d6e6bae-0248-4c21-bc78-76c9aa127a8f">Vlastimil Babka (vbabka@social.kernel.org)'s status on Friday, 26-Jan-2024 03:38:31 JST</a><a href="https://social.kernel.org/users/vbabka" title="vbabka@social.kernel.org"><img src="https://gnusocial.jp/avatar/113727-48-20230421143937.webp" width="48" height="48" alt="Vlastimil Babka" style="position: absolute; left: 0; top: 0;">Vlastimil Babka</a></section><article>HOWTO idiot, in 4 easy steps:<br><br>1. save the code in [1] as nonexistent.c<br>2. gcc -O2 -o nonexistent nonexistent.c<br>3. run and profile the binary<br>4. wonder why the profiles don't look at all as claimed<br><br>[1] <a href="https://lore.kernel.org/all/CAHk-%3DwhYOOdM7jWy5jdrAm8LxcgCMFyk2bt8fYYvZzM4U-zAQA@mail.gmail.com/">https://lore.kernel.org/all/CAHk-%3DwhYOOdM7jWy5jdrAm8LxcgCMFyk2bt8fYYvZzM4U-zAQA@mail.gmail.com/</a></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/2633621#notice-5217567">In conversation</a><time datetime="2024-01-26T03:38:31+09:00" title="Friday, 26-Jan-2024 03:38:31 JST">Friday, 26-Jan-2024 03:38:31 JST</time> <span>from <span><a href="https://social.kernel.org/objects/4d6e6bae-0248-4c21-bc78-76c9aa127a8f" rel="external" title="Sent from social.kernel.org via ActivityPub">social.kernel.org</a></span></span><a href="https://social.kernel.org/objects/4d6e6bae-0248-4c21-bc78-76c9aa127a8f">permalink</a><h4>Attachments</h4><ol><li><article><header><div>No result found on File_thumbnail lookup.</div><h5><a href="https://lore.kernel.org/all/CAHk-%3DwhYOOdM7jWy5jdrAm8LxcgCMFyk2bt8fYYvZzM4U-zAQA@mail.gmail.com/">Re: [PATCH RFC 1/4] fs/locks: Fix file lock cache accounting, again - Linus Torvalds</a></h5><div></div></header><div></div><footer></footer></article></li></ol></footer></blockquote>

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Vlastimil Babka (vbabka@social.kernel.org)'s status on Friday, 26-Jan-2024 03:38:31 JST Vlastimil Babka
HOWTO idiot, in 4 easy steps:

1. save the code in [1] as nonexistent.c
2. gcc -O2 -o nonexistent nonexistent.c
3. run and profile the binary
4. wonder why the profiles don't look at all as claimed

[1] https://lore.kernel.org/all/CAHk-%3DwhYOOdM7jWy5jdrAm8LxcgCMFyk2bt8fYYvZzM4U-zAQA@mail.gmail.com/
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  Re: [PATCH RFC 1/4] fs/locks: Fix file lock cache accounting, again - Linus Torvalds

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