lttng-dev.lists.lttng.org archive mirror
 help / color / mirror / Atom feed
From: Evan Galea via lttng-dev <lttng-dev@lists.lttng.org>
To: lttng-dev@lists.lttng.org
Subject: [lttng-dev] Assertion tgt_fc failed when trying to trace callstack-user
Date: Sun, 1 Aug 2021 05:11:04 -0400	[thread overview]
Message-ID: <CAA+-46pQev9-S0_htpu7QT8cVF_Rv25deDjRQGMzgnzvRMG9VQ@mail.gmail.com> (raw)


[-- Attachment #1.1: Type: text/plain, Size: 1114 bytes --]

Hi there

Thanks for help on my previous issue. I was able to get callstack-user to
work and see it in my traces. However, in order to get it to run I needed
to enable-event --kernel all. Is it necessary to have all kernel events
enabled to run callstack-user? Or is it just one specific event?

When I try to run it without enabling all kernel events the command is
accepted and it runs but I get the following error when trying to view my
traces:

 (╯°□°)╯︵ ┻━┻ ctf-meta-update-value-storing-indexes.c:65:
update_field_class_stored_value_index(): Assertion `tgt_fc` failed.
Aborted (core dumped)

What does this error mean? Should I just continue to enable all kernel
events?

My current command setup, not sure if relevant

lttng create &&
lttng enable-channel mychannel --subbuf-size 100000000
lttng enable-event --kernel --all &&
lttng add-context -u -t vpid -t vtid -t procname &&
lttng add-context --kernel --type callstack-user &&
lttng add-context --kernel --type callstack-kernel &&
lttng enable-event --jul jello

again thank you for your time

Evan Galea

[-- Attachment #1.2: Type: text/html, Size: 3589 bytes --]

[-- Attachment #2: Type: text/plain, Size: 156 bytes --]

_______________________________________________
lttng-dev mailing list
lttng-dev@lists.lttng.org
https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

             reply	other threads:[~2021-08-01  9:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-01  9:11 Evan Galea via lttng-dev [this message]
2021-08-02 12:56 ` Francis Deslauriers via lttng-dev
     [not found]   ` <CAA+-46qpk52j9B56wpvsJ=WvE-TX_83r+A6o7hqTxGeTLLS8cQ@mail.gmail.com>
2021-08-05 21:07     ` Francis Deslauriers via lttng-dev

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=CAA+-46pQev9-S0_htpu7QT8cVF_Rv25deDjRQGMzgnzvRMG9VQ@mail.gmail.com \
    --to=lttng-dev@lists.lttng.org \
    --cc=evanjamesgalea@gmail.com \
    --subject='Re: [lttng-dev] Assertion tgt_fc failed when trying to trace callstack-user' \
    /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

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 NNTP newsgroup(s).