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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Oct 2022 15:45:23.3670 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 831eb3e3-9df3-478e-485b-08daa7b1c829 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT023.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7371 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Perf mem and c2c can be used with 3 different events: load, store and combined load-store. Some architectures might support only partial set of events in which case, perf prints empty line for unsupported events. Avoid that. Ex, AMD Zen cpus supports only combined load-store event and does not support individual load and store event. Before patch: $ ./perf mem record -e list mem-ldst : available After patch: $ ./perf mem record -e list mem-ldst : available Signed-off-by: Ravi Bangoria Acked-by: Jiri Olsa --- tools/perf/util/mem-events.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 8909dc7b14a7..6c7feecd2e04 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -156,11 +156,12 @@ void perf_mem_events__list(void) for (j =3D 0; j < PERF_MEM_EVENTS__MAX; j++) { struct perf_mem_event *e =3D perf_mem_events__ptr(j); =20 - fprintf(stderr, "%-13s%-*s%s\n", - e->tag ?: "", - verbose > 0 ? 25 : 0, - verbose > 0 ? perf_mem_events__name(j, NULL) : "", - e->supported ? ": available" : ""); + fprintf(stderr, "%-*s%-*s%s", + e->tag ? 13 : 0, + e->tag ? : "", + e->tag && verbose > 0 ? 25 : 0, + e->tag && verbose > 0 ? perf_mem_events__name(j, NULL) : "", + e->supported ? ": available\n" : ""); } } =20 --=20 2.37.3