Commit 6727cc38 authored by Konrad Sztyber's avatar Konrad Sztyber Committed by Tomasz Zawadzki
Browse files

lib/trace_parser: method for retrieving tsc offset 



Signed-off-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I11fc341b4353c01cd933d6692cf97de3a3744a84
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9432


Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
parent 4ba77072

include/spdk/trace_parser.h

+10 −0
Original line number Diff line number Diff line
@@ -92,6 +92,16 @@ void spdk_trace_parser_cleanup(struct spdk_trace_parser *parser); 
 */

const struct spdk_trace_flags *spdk_trace_parser_get_flags(const struct spdk_trace_parser *parser);



/**

 * Return the highest tsc out of first entries across all speicifed cores.  This value can be used

 * to select entries from the subset of time we have the data from all reactors.

 *

 * \param parser Parser object to be used.

 *

 * \return Offset in tsc.

 */

uint64_t spdk_trace_parser_get_tsc_offset(const struct spdk_trace_parser *parser);



#ifdef __cplusplus

}

#endif

lib/trace_parser/spdk_trace_parser.map

+1 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 
	spdk_trace_parser_init;

	spdk_trace_parser_cleanup;

	spdk_trace_parser_get_flags;

	spdk_trace_parser_get_tsc_offset;



	local: *;

};

lib/trace_parser/trace.cpp

+7 −0
Original line number Diff line number Diff line
@@ -67,6 +67,7 @@ struct spdk_trace_parser { 
	spdk_trace_parser(const spdk_trace_parser &) = delete;

	spdk_trace_parser &operator=(const spdk_trace_parser &) = delete;

	const spdk_trace_flags *flags() const { return &_histories->flags; }

	uint64_t tsc_offset() const { return _tsc_offset; }

private:

	void populate_events(spdk_trace_history *history, int num_entries);

	bool init(const spdk_trace_parser_opts *opts);
@@ -264,3 +265,9 @@ spdk_trace_parser_get_flags(const struct spdk_trace_parser *parser) 
{

	return parser->flags();

}



uint64_t

spdk_trace_parser_get_tsc_offset(const struct spdk_trace_parser *parser)

{

	return parser->tsc_offset();

}