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Message-ID: <CAJ9a7VjNpfbMCJppfD=hy=0dBrMpWcZ=gfKH0PQ8-mR8yUAjPQ@mail.gmail.com> Date: Thu, 6 Oct 2022 14:22:38 +0100 From: Mike Leach <mike.leach@...aro.org> To: Suzuki K Poulose <suzuki.poulose@....com> Cc: coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, mathieu.poirier@...aro.org, peterz@...radead.org, mingo@...hat.com, acme@...nel.org, linux-perf-users@...r.kernel.org, leo.yan@...aro.org, quic_jinlmao@...cinc.com Subject: Re: [PATCH v3 13/13] coresight: trace-id: Add debug & test macros to Trace ID allocation On Mon, 3 Oct 2022 at 12:06, Suzuki K Poulose <suzuki.poulose@....com> wrote: > > On 09/08/2022 23:34, Mike Leach wrote: > > Adds in a number of pr_debug macros to allow the debugging and test of > > the trace ID allocation system. > > > > Signed-off-by: Mike Leach <mike.leach@...aro.org> > > --- > > .../hwtracing/coresight/coresight-trace-id.c | 36 +++++++++++++++++++ > > 1 file changed, 36 insertions(+) > > > > diff --git a/drivers/hwtracing/coresight/coresight-trace-id.c b/drivers/hwtracing/coresight/coresight-trace-id.c > > index ac9092896dec..24c19ff493a9 100644 > > --- a/drivers/hwtracing/coresight/coresight-trace-id.c > > +++ b/drivers/hwtracing/coresight/coresight-trace-id.c > > @@ -69,6 +69,30 @@ static void coresight_trace_id_set_pend_rel(int id, struct coresight_trace_id_ma > > set_bit(id, id_map->pend_rel_ids); > > } > > > > +/* #define TRACE_ID_DEBUG 1 */ > > +#ifdef TRACE_ID_DEBUG > > +static char page_buf[PAGE_SIZE]; > > + > > +static void coresight_trace_id_dump_table(struct coresight_trace_id_map *id_map, > > + const char *func_name) > > +{ > > + pr_debug("%s id_map::\n", func_name); > > + bitmap_print_to_pagebuf(0, page_buf, id_map->used_ids, CORESIGHT_TRACE_IDS_MAX); > > + pr_debug("Avial= %s\n", page_buf); > > Could we not use %pb directly and skip the bitmap_print_to_pagebuf ? > > Suzuki In short, yes! Mike -- Mike Leach Principal Engineer, ARM Ltd. Manchester Design Centre. UK
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