Re: [PATCH v5 09/10] perf inject: enable COMPRESSED records decompression

[Alexey Budankov <alexey.budankov@linux.intel.com>]

On 05.03.2019 15:26, Jiri Olsa wrote:
> On Fri, Mar 01, 2019 at 07:07:49PM +0300, Alexey Budankov wrote:
>>
>> Initialized decompression API so COMPRESSED record would be
>> decompressed into the resulting output data file.
>>
>> Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
>> ---
>>  tools/perf/builtin-inject.c | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
>> index 24086b7f1b14..8e0e06d3edfc 100644
>> --- a/tools/perf/builtin-inject.c
>> +++ b/tools/perf/builtin-inject.c
>> @@ -837,6 +837,9 @@ int cmd_inject(int argc, const char **argv)
>>  	if (inject.session == NULL)
>>  		return -1;
>>  
>> +	if (zstd_init(&(inject.session->zstd_data), 0) < 0)
>> +		pr_warning("Decompression initialization failed.\n");
> 
> hum, I wonder we should put this inside perf_session__new/perf_session__delete

comp_level parameter passing would extend the signature of __new()

struct perf_session *perf_session__new(struct perf_data *data,
				       bool repipe, struct perf_tool *tool,
				       int comp_level)

~Alexey

> 
> jirka
> 
>> +
>>  	if (inject.build_ids) {
>>  		/*
>>  		 * to make sure the mmap records are ordered correctly
>> @@ -867,6 +870,7 @@ int cmd_inject(int argc, const char **argv)
>>  	ret = __cmd_inject(&inject);
>>  
>>  out_delete:
>> +	zstd_fini(&(inject.session->zstd_data));
>>  	perf_session__delete(inject.session);
>>  	return ret;
>>  }
>> -- 
>> 2.20.1
>>
>