dumping ground for random patches and texts
 help / color / mirror / Atom feed
From: Eric Wong <e@80x24.org>
To: spew@80x24.org
Cc: Eric Wong <e@80x24.org>
Subject: [PATCH 1/2] insns.def (duparray, duphash): add dtrace hooks
Date: Sun, 16 Dec 2018 12:06:29 +0000	[thread overview]
Message-ID: <20181216120630.17237-1-e@80x24.org> (raw)

They are considered Array and Hash creation events, so
allow dtrace (and systemtap) to track those creations.

[ruby-core:90418] [Bug #15399]
---
 insns.def | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/insns.def b/insns.def
index 73628a3376..a74ac11c35 100644
--- a/insns.def
+++ b/insns.def
@@ -451,6 +451,7 @@ duparray
 ()
 (VALUE val)
 {
+    RUBY_DTRACE_CREATE_HOOK(ARRAY, RARRAY_LEN(ary));
     val = rb_ary_resurrect(ary);
 }
 
@@ -461,6 +462,7 @@ duphash
 ()
 (VALUE val)
 {
+    RUBY_DTRACE_CREATE_HOOK(HASH, RHASH_SIZE(hash) << 1);
     val = rb_hash_dup(hash);
 }
 
-- 
EW


             reply	other threads:[~2018-12-16 12:06 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-16 12:06 Eric Wong [this message]
2018-12-16 12:06 ` [PATCH 2/2] gc.c: make gc_enter+gc_exit pairs dtrace probes, too Eric Wong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181216120630.17237-1-e@80x24.org \
    --to=e@80x24.org \
    --cc=spew@80x24.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).