2 * Copyright(C) 2015 Linaro Limited. All rights reserved.
3 * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published by
7 * the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef INCLUDE__UTIL_PERF_CS_ETM_H__
19 #define INCLUDE__UTIL_PERF_CS_ETM_H__
21 #include "util/event.h"
22 #include "util/intlist.h"
23 #include "util/session.h"
25 /* Versionning header in case things need tro change in the future. That way
26 * decoding of old snapshot is still possible.
29 /* Starting with 0x0 */
31 /* PMU->type (32 bit), total # of CPUs (32 bit) */
34 CS_HEADER_VERSION_0_MAX,
37 /* Beginning of header common to both ETMv3 and V4 */
43 /* ETMv3/PTM metadata */
45 /* Dynamic, configurable parameters */
46 CS_ETM_ETMCR = CS_ETM_CPU + 1,
48 /* RO, taken from sysFS */
56 /* Dynamic, configurable parameters */
57 CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1,
59 /* RO, taken from sysFS */
64 CS_ETMV4_TRCAUTHSTATUS,
68 /* RB tree for quick conversion between traceID and CPUs */
69 struct intlist *traceid_list;
71 #define KiB(x) ((x) * 1024)
72 #define MiB(x) ((x) * 1024 * 1024)
74 #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64))
76 static const u64 __perf_cs_etmv3_magic = 0x3030303030303030ULL;
77 static const u64 __perf_cs_etmv4_magic = 0x4040404040404040ULL;
78 #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64))
79 #define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64))
81 int cs_etm__process_auxtrace_info(union perf_event *event,
82 struct perf_session *session);