From: Steven Rostedt <rostedt@goodmis.org>
To: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
Cc: linux-trace-devel@vger.kernel.org
Subject: Re: [PATCH v25 01/16] trace-cmd: Replace time sync protocol ID with string
Date: Wed, 2 Dec 2020 17:43:16 -0500 [thread overview]
Message-ID: <20201202174316.33a24c92@gandalf.local.home> (raw)
In-Reply-To: <20201029111816.247241-2-tz.stoyanov@gmail.com>
On Thu, 29 Oct 2020 13:18:01 +0200
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com> wrote:
> +static int make_trace_req_protos(char **buf, int *size, char **tsync_protos)
> {
> + int protos_size = 1;
> size_t buf_size;
> + char **protos;
> char *nbuf;
> char *p;
>
> + protos = tsync_protos;
> + while (*protos) {
> + protos_size += strlen(*protos) + 1;
> + protos++;
> + }
> +
> buf_size = TRACE_REQ_PARAM_SIZE + protos_size;
> nbuf = realloc(*buf, *size + buf_size);
> if (!nbuf)
> @@ -867,7 +875,13 @@ static int make_trace_req_protos(char **buf, int *size,
> *(unsigned int *)p = htonl(protos_size);
> p += sizeof(int);
>
> - memcpy(p, tsync_protos, protos_size);
> + protos = tsync_protos;
> + while (*protos) {
> + memcpy(p, *protos, strlen(*protos) + 1);
The above can be replaced with:
strcpy(p, *protos);
-- Steve
> + p += strlen(*protos) + 1;
> + protos++;
> + }
> + p = NULL;
>
>
next prev parent reply other threads:[~2020-12-02 22:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 11:18 [PATCH v25 00/16] Timestamp synchronization of host - guest tracing session Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 01/16] trace-cmd: Replace time sync protocol ID with string Tzvetomir Stoyanov (VMware)
2020-11-05 14:52 ` Steven Rostedt
2020-12-02 22:43 ` Steven Rostedt [this message]
2020-10-29 11:18 ` [PATCH v25 02/16] trace-cmd: Add trace-cmd library APIs for ftrace clock name Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 03/16] trace-cmd: Move VM related logic in a separate file Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 04/16] trace-cmd: Add new libtrasefs API to get the current trace clock Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 05/16] trace-cmd: Add clock parameter to timestamp synchronization plugins Tzvetomir Stoyanov (VMware)
2020-12-02 22:48 ` Steven Rostedt
2020-12-03 13:09 ` Tzvetomir Stoyanov
2020-10-29 11:18 ` [PATCH v25 06/16] trace-cmd: Add role " Tzvetomir Stoyanov (VMware)
2020-12-02 23:04 ` Steven Rostedt
2020-10-29 11:18 ` [PATCH v25 07/16] trace-cmd: Add host / guest role in timestamp synchronization context Tzvetomir Stoyanov (VMware)
2020-12-02 23:07 ` Steven Rostedt
2020-10-29 11:18 ` [PATCH v25 08/16] trace-cmd: Add guest CPU count PID in tracecmd_time_sync struct Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 09/16] trace-cmd: Add scaling ratio for timestamp correction Tzvetomir Stoyanov (VMware)
2020-12-03 1:47 ` Steven Rostedt
2020-12-03 12:56 ` Tzvetomir Stoyanov
2020-10-29 11:18 ` [PATCH v25 10/16] trace-cmd: Add time sync protocol flags Tzvetomir Stoyanov (VMware)
2020-12-03 2:09 ` Steven Rostedt
2020-12-03 12:59 ` Tzvetomir Stoyanov
2020-10-29 11:18 ` [PATCH v25 11/16] trace-cmd: Add timestamp synchronization per vCPU Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 12/16] trace-cmd: Define a macro for packed structures Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 13/16] trace-cmd: Add dummy function to initialize timestamp sync logic Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 14/16] trace-cmd: [POC] PTP-like algorithm for host - guest timestamp synchronization Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 15/16] trace-cmd: Debug scripts for " Tzvetomir Stoyanov (VMware)
2020-10-29 11:18 ` [PATCH v25 16/16] trace-cmd [POC]: Add KVM timestamp synchronization plugin Tzvetomir Stoyanov (VMware)
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