* [PATCH 1/2] httpd: add notes about arenas and object heaps
2023-01-09 6:21 6% [PATCH 0/2] refining the httpd interface Eric Wong
@ 2023-01-09 6:21 7% ` Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2023-01-09 6:21 UTC (permalink / raw)
To: mwrap-public
We don't users being confused if an innocuous-looking
line of code allocates unnexpectedly large values.
---
ext/mwrap/httpd.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/ext/mwrap/httpd.h b/ext/mwrap/httpd.h
index 17fb187..fe4fe2f 100644
--- a/ext/mwrap/httpd.h
+++ b/ext/mwrap/httpd.h
@@ -600,7 +600,12 @@ static enum mw_qev each_at(struct mw_h1 *h1, struct mw_h1req *h1r)
size, h->as.live.gen, h->real);
}
rcu_read_unlock();
- FPUTS("</table></body></html>", fp);
+ FPUTS("</table><pre>\nNotes:\n"
+"* 16344-byte (64-bit) or 16344-byte (32-bit) allocations in\n"
+" Ruby <= 3.0 aligned to 0x4000 are likely for object heap slots.\n"
+"* 4080-byte allocations in Perl 5 are likely for arenas\n"
+" (set via the PERL_ARENA_SIZE compile-time macro)"
+"</pre></body></html>", fp);
return h1_200(h1, &html, TYPE_HTML);
}
^ permalink raw reply related [relevance 7%]
* [PATCH 0/2] refining the httpd interface
@ 2023-01-09 6:21 6% Eric Wong
2023-01-09 6:21 7% ` [PATCH 1/2] httpd: add notes about arenas and object heaps Eric Wong
0 siblings, 1 reply; 2+ results
From: Eric Wong @ 2023-01-09 6:21 UTC (permalink / raw)
To: mwrap-public
Being edumacational :P
Eric Wong (2):
httpd: add notes about arenas and object heaps
httpd: add CSV download link to /each/$MIN HTML
ext/mwrap/httpd.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
^ permalink raw reply [relevance 6%]
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2023-01-09 6:21 6% [PATCH 0/2] refining the httpd interface Eric Wong
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