From: Mathieu Desnoyers via lttng-dev <lttng-dev@lists.lttng.org> To: "zhenyu.ren" <zhenyu.ren@aliyun.com> Cc: lttng-dev <lttng-dev@lists.lttng.org> Subject: Re: 回复: 回复: some tracepoints not exist in metadata? Date: Wed, 1 Jul 2020 08:07:20 -0400 (EDT) [thread overview] Message-ID: <1653271969.18771.1593605240536.JavaMail.zimbra@efficios.com> (raw) In-Reply-To: <65af8a29-4fd7-454c-a060-8f06cb7bc931.zhenyu.ren@aliyun.com> [-- Attachment #1.1: Type: text/plain, Size: 2289 bytes --] Hi, Make sure you use single quotes in your shell around wildcards, else the shell will try to expand them to files in the current directory, e.g., you need to do: lttng enable-event -u 'system_event*' -c channel0 -s misc_data This could very well explain why sometimes your events don't get enabled: if the wildcard matches files in the current directory. Thanks, Mathieu ----- On Jun 30, 2020, at 11:56 PM, zhenyu.ren <zhenyu.ren@aliyun.com> wrote: > Ah, I have to say that I use the wildcard in tracepoint name when enable-event > to the channel, i.e. ./lttng enable-event -u system_event* -c channel0 -s > misc_data. Of course, there are the other tracepoints with wildcard succeed in > registring. >> ------------------------------------------------------------------ >> 发件人:zhenyu.ren via lttng-dev <lttng-dev@lists.lttng.org> >> 发送时间:2020年7月1日(星期三) 11:44 >> 收件人:lttng-dev <lttng-dev@lists.lttng.org>; mathieu.desnoyers >> <mathieu.desnoyers@efficios.com> >> 主 题:[lttng-dev] 回复: some tracepoints not exist in metadata? >> I'd like to add that both "lttng list -u" and "lttng list $session_name" can get >> those tracepoints' names... >> ------------------------------------------------------------------ >> 发件人:zhenyu.ren via lttng-dev <lttng-dev@lists.lttng.org> >> 发送时间:2020年7月1日(星期三) 11:05 >> 收件人:lttng-dev <lttng-dev@lists.lttng.org>; mathieu.desnoyers >> <mathieu.desnoyers@efficios.com> >> 主 题:[lttng-dev] some tracepoints not exist in metadata? >> Hi, >> I find sometimes there are some tracepoints not exist in metadata file(but they >> are in the list of lttng list -u) and the end result is they can NOT be logged. >> I can not always reproduce it. It bothered me for 2 days. >> The lttng version is 2.7, I know it is not the latest version but there are some >> reasons I can't update it. So, is this a known bug? If yes, It will be very >> appreciated if you can give me any advice about the bug info(I can cherry pick >> the correspond fix). Otherwise, maybe I have to give up my favoriate Lttng.... >> Thank you in advance! >> zhenyu.ren -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com [-- Attachment #1.2: Type: text/html, Size: 5753 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
WARNING: multiple messages have this Message-ID (diff)
From: Mathieu Desnoyers via lttng-dev <lttng-dev@lists.lttng.org> To: "zhenyu.ren" <zhenyu.ren@aliyun.com> Cc: lttng-dev <lttng-dev@lists.lttng.org> Subject: Re: [lttng-dev] 回复: 回复: some tracepoints not exist in metadata? Date: Wed, 1 Jul 2020 08:07:20 -0400 (EDT) [thread overview] Message-ID: <1653271969.18771.1593605240536.JavaMail.zimbra@efficios.com> (raw) Message-ID: <20200701120720.k9LcyqShVlCOVNI_pMS3DkQLsdB5Qwt5dpp1kt-zcr0@z> (raw) In-Reply-To: <65af8a29-4fd7-454c-a060-8f06cb7bc931.zhenyu.ren@aliyun.com> [-- Attachment #1.1: Type: text/plain, Size: 2289 bytes --] Hi, Make sure you use single quotes in your shell around wildcards, else the shell will try to expand them to files in the current directory, e.g., you need to do: lttng enable-event -u 'system_event*' -c channel0 -s misc_data This could very well explain why sometimes your events don't get enabled: if the wildcard matches files in the current directory. Thanks, Mathieu ----- On Jun 30, 2020, at 11:56 PM, zhenyu.ren <zhenyu.ren@aliyun.com> wrote: > Ah, I have to say that I use the wildcard in tracepoint name when enable-event > to the channel, i.e. ./lttng enable-event -u system_event* -c channel0 -s > misc_data. Of course, there are the other tracepoints with wildcard succeed in > registring. >> ------------------------------------------------------------------ >> 发件人:zhenyu.ren via lttng-dev <lttng-dev@lists.lttng.org> >> 发送时间:2020年7月1日(星期三) 11:44 >> 收件人:lttng-dev <lttng-dev@lists.lttng.org>; mathieu.desnoyers >> <mathieu.desnoyers@efficios.com> >> 主 题:[lttng-dev] 回复: some tracepoints not exist in metadata? >> I'd like to add that both "lttng list -u" and "lttng list $session_name" can get >> those tracepoints' names... >> ------------------------------------------------------------------ >> 发件人:zhenyu.ren via lttng-dev <lttng-dev@lists.lttng.org> >> 发送时间:2020年7月1日(星期三) 11:05 >> 收件人:lttng-dev <lttng-dev@lists.lttng.org>; mathieu.desnoyers >> <mathieu.desnoyers@efficios.com> >> 主 题:[lttng-dev] some tracepoints not exist in metadata? >> Hi, >> I find sometimes there are some tracepoints not exist in metadata file(but they >> are in the list of lttng list -u) and the end result is they can NOT be logged. >> I can not always reproduce it. It bothered me for 2 days. >> The lttng version is 2.7, I know it is not the latest version but there are some >> reasons I can't update it. So, is this a known bug? If yes, It will be very >> appreciated if you can give me any advice about the bug info(I can cherry pick >> the correspond fix). Otherwise, maybe I have to give up my favoriate Lttng.... >> Thank you in advance! >> zhenyu.ren -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com [-- Attachment #1.2: Type: text/html, Size: 5753 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
next prev parent reply other threads:[~2020-07-01 12:07 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-01 2:48 some tracepoints not exist in metadata? zhenyu.ren via lttng-dev 2020-07-01 2:48 ` [lttng-dev] " zhenyu.ren via lttng-dev 2020-07-01 3:43 ` 回复: " zhenyu.ren via lttng-dev 2020-07-01 3:43 ` [lttng-dev] " zhenyu.ren via lttng-dev 2020-07-01 3:56 ` 回复: " zhenyu.ren via lttng-dev 2020-07-01 3:56 ` [lttng-dev] " zhenyu.ren via lttng-dev 2020-07-01 12:07 ` Mathieu Desnoyers via lttng-dev [this message] 2020-07-01 12:07 ` Mathieu Desnoyers via lttng-dev 2020-07-02 0:38 ` 回复:回复: " zhenyu.ren via lttng-dev 2020-07-02 0:38 ` [lttng-dev] " zhenyu.ren via lttng-dev 2020-07-02 12:45 ` Jonathan Rajotte-Julien via lttng-dev 2020-07-02 12:45 ` [lttng-dev] " Jonathan Rajotte-Julien via lttng-dev 2020-07-02 14:03 ` Mathieu Desnoyers via lttng-dev 2020-07-02 14:03 ` [lttng-dev] " Mathieu Desnoyers 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=1653271969.18771.1593605240536.JavaMail.zimbra@efficios.com \ --to=lttng-dev@lists.lttng.org \ --cc=mathieu.desnoyers@efficios.com \ --cc=zhenyu.ren@aliyun.com \ /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: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.