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Commit acd244b8 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf session: Add missing swap ops for namespace events 



In case it's recorded in a different arch.

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Hari Bathini <hbathini@linux.vnet.ibm.com> <hbathini@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Fixes: f3b3614a ("perf tools: Add PERF_RECORD_NAMESPACES to include namespaces related info")
Link: http://lkml.kernel.org/r/20190522053250.207156-3-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 6584140b

tools/perf/util/session.c

+21 −0
Original line number Diff line number Diff line
@@ -647,6 +647,26 @@ static void perf_event__throttle_swap(union perf_event *event, 
		swap_sample_id_all(event, &event->throttle + 1);

}



static void perf_event__namespaces_swap(union perf_event *event,

					bool sample_id_all)

{

	u64 i;



	event->namespaces.pid		= bswap_32(event->namespaces.pid);

	event->namespaces.tid		= bswap_32(event->namespaces.tid);

	event->namespaces.nr_namespaces	= bswap_64(event->namespaces.nr_namespaces);



	for (i = 0; i < event->namespaces.nr_namespaces; i++) {

		struct perf_ns_link_info *ns = &event->namespaces.link_info[i];



		ns->dev = bswap_64(ns->dev);

		ns->ino = bswap_64(ns->ino);

	}



	if (sample_id_all)

		swap_sample_id_all(event, &event->namespaces.link_info[i]);

}



static u8 revbyte(u8 b)

{

	int rev = (b >> 4) | ((b & 0xf) << 4);
@@ -887,6 +907,7 @@ static perf_event__swap_op perf_event__swap_ops[] = { 
	[PERF_RECORD_LOST_SAMPLES]	  = perf_event__all64_swap,

	[PERF_RECORD_SWITCH]		  = perf_event__switch_swap,

	[PERF_RECORD_SWITCH_CPU_WIDE]	  = perf_event__switch_swap,

	[PERF_RECORD_NAMESPACES]	  = perf_event__namespaces_swap,

	[PERF_RECORD_HEADER_ATTR]	  = perf_event__hdr_attr_swap,

	[PERF_RECORD_HEADER_EVENT_TYPE]	  = perf_event__event_type_swap,

	[PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap,