linux-kernel - Re: [PATCH] perf script: Align kfree

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Message-ID: <ZEx3yRDPypu0giCo@kernel.org>
Date:   Fri, 28 Apr 2023 22:50:01 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Sriram Yagnaraman <sriram.yagnaraman@....tech>
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH] perf script: Align kfree_skb tracepoint parameters

Em Wed, Apr 26, 2023 at 12:41:49PM +0200, Sriram Yagnaraman escreveu:
> Not sure if the scripts changed in this patch are used, but nevertheless
> here is a patch with a minor bug fix.
> ---
> 
> Include reason parameter that was added in
> commit c504e5c2f964 ("net: skb: introduce kfree_skb_reason()")

Thanks, applied.

- Arnaldo

 
> Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@....tech>
> ---
>  tools/perf/scripts/python/net_dropmonitor.py | 4 ++--
>  tools/perf/scripts/python/netdev-times.py    | 6 +++---
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/perf/scripts/python/net_dropmonitor.py b/tools/perf/scripts/python/net_dropmonitor.py
> index 101059971738..a97e7a6e0940 100755
> --- a/tools/perf/scripts/python/net_dropmonitor.py
> +++ b/tools/perf/scripts/python/net_dropmonitor.py
> @@ -68,9 +68,9 @@ def trace_end():
>  	get_kallsyms_table()
>  	print_drop_table()
>  
> -# called from perf, when it finds a correspoinding event
> +# called from perf, when it finds a corresponding event
>  def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm, callchain,
> -		   skbaddr, location, protocol):
> +		   skbaddr, location, protocol, reason):
>  	slocation = str(location)
>  	try:
>  		drop_log[slocation] = drop_log[slocation] + 1
> diff --git a/tools/perf/scripts/python/netdev-times.py b/tools/perf/scripts/python/netdev-times.py
> index a0cfc7fe5908..00552eeb7178 100644
> --- a/tools/perf/scripts/python/netdev-times.py
> +++ b/tools/perf/scripts/python/netdev-times.py
> @@ -288,9 +288,9 @@ def net__net_dev_xmit(name, context, cpu, sec, nsec, pid, comm, callchain,
>  	all_event_list.append(event_info)
>  
>  def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm, callchain,
> -			skbaddr, protocol, location):
> +			skbaddr, location, protocol, reason):
>  	event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
> -			skbaddr, protocol, location)
> +			skbaddr, location, protocol, reason)
>  	all_event_list.append(event_info)
>  
>  def skb__consume_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr):
> @@ -430,7 +430,7 @@ def handle_net_dev_xmit(event_info):
>  
>  def handle_kfree_skb(event_info):
>  	(name, context, cpu, time, pid, comm,
> -		skbaddr, protocol, location) = event_info
> +		skbaddr, location, protocol, reason) = event_info
>  	for i in range(len(tx_queue_list)):
>  		skb = tx_queue_list[i]
>  		if skb['skbaddr'] == skbaddr:
> -- 
> 2.34.1
> 

-- 

- Arnaldo