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Date: Thu, 1 Oct 2026 11:19:21 +0200
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
	James Clark <james.clark@linaro.org>, Jiri Olsa <jolsa@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Clark Williams <williams@redhat.com>, linux-kernel@vger.kernel.org,
	linux-perf-users@vger.kernel.org,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [PATCH v6 4/5] perf scripts: Add perf-stuck, to tell where a
 running perf is stuck
Message-ID: <ar4lmUdWLn60UJ-6@x2>
References: <20260930213716.2633750-1-acme@kernel.org>
 <20260930213716.2633750-5-acme@kernel.org>
 <ar4Kuy76IXbmCY2y@z2>
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In-Reply-To: <ar4Kuy76IXbmCY2y@z2>

On Thu, Oct 01, 2026 at 12:24:43AM -0700, Namhyung Kim wrote:
> On Wed, Sep 30, 2026 at 11:37:15PM +0200, Arnaldo Carvalho de Melo wrote:
> > +    set $perf_die_chain_i = 0
> > +    while $perf_die_chain_i < $perf_die_chain_n
> > +      # Pointer type DIEs have no DW_AT_name, so dwarf_diename() can
> > +      # return NULL: printf %s of it would error out and abort this
> > +      # batch script, handle it.
> > +      set $perf_die_chain_name = (char *) dwarf_diename($arg1)
> > +      printf "chain[%d] die=%p addr=%p cu=%p off=0x%lx tag=%d name=", $perf_die_chain_i, $arg1, $arg1->addr, $arg1->cu, ((Dwarf_Off) dwarf_dieoffset($arg1)), ((int) dwarf_tag($arg1))
> 
> Nit: can you please break this line?

Will do,

- Arnaldo