~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/tools/perf/util/cs-etm.h

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /tools/perf/util/cs-etm.h (Version linux-6.12-rc7) and /tools/perf/util/cs-etm.h (Version linux-4.13.16)


  1 /* SPDX-License-Identifier: GPL-2.0 */         << 
  2 /*                                                  1 /*
  3  * Copyright(C) 2015 Linaro Limited. All right      2  * Copyright(C) 2015 Linaro Limited. All rights reserved.
  4  * Author: Mathieu Poirier <mathieu.poirier@li      3  * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
                                                   >>   4  *
                                                   >>   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.
                                                   >>   8  *
                                                   >>   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
                                                   >>  12  * more details.
                                                   >>  13  *
                                                   >>  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/>.
  5  */                                                16  */
  6                                                    17 
  7 #ifndef INCLUDE__UTIL_PERF_CS_ETM_H__              18 #ifndef INCLUDE__UTIL_PERF_CS_ETM_H__
  8 #define INCLUDE__UTIL_PERF_CS_ETM_H__              19 #define INCLUDE__UTIL_PERF_CS_ETM_H__
  9                                                    20 
 10 #include "debug.h"                             !!  21 /* Versionning header in case things need tro change in the future.  That way
 11 #include "util/event.h"                        << 
 12 #include <linux/bits.h>                        << 
 13                                                << 
 14 struct perf_session;                           << 
 15 struct perf_pmu;                               << 
 16                                                << 
 17 /*                                             << 
 18  * Versioning header in case things need to ch << 
 19  * decoding of old snapshot is still possible.     22  * decoding of old snapshot is still possible.
 20  */                                                23  */
 21 enum {                                             24 enum {
 22         /* Starting with 0x0 */                    25         /* Starting with 0x0 */
 23         CS_HEADER_VERSION,                     !!  26         CS_HEADER_VERSION_0,
 24         /* PMU->type (32 bit), total # of CPUs     27         /* PMU->type (32 bit), total # of CPUs (32 bit) */
 25         CS_PMU_TYPE_CPUS,                          28         CS_PMU_TYPE_CPUS,
 26         CS_ETM_SNAPSHOT,                           29         CS_ETM_SNAPSHOT,
 27         CS_HEADER_VERSION_MAX,                 !!  30         CS_HEADER_VERSION_0_MAX,
 28 };                                                 31 };
 29                                                    32 
 30 /*                                             << 
 31  * Update the version for new format.          << 
 32  *                                             << 
 33  * Version 1: format adds a param count to the << 
 34  * This allows easy adding of new metadata par << 
 35  * Requires that new params always added after << 
 36  * Also allows client reader to handle file ve << 
 37  * checking the number of params in the file v << 
 38  *                                             << 
 39  * Version 2: Drivers will use PERF_RECORD_AUX << 
 40  * CoreSight Trace ID. ...TRACEIDR metadata wi << 
 41  * but with addition flags.                    << 
 42  */                                            << 
 43 #define CS_HEADER_CURRENT_VERSION       2      << 
 44                                                << 
 45 /* Beginning of header common to both ETMv3 an     33 /* Beginning of header common to both ETMv3 and V4 */
 46 enum {                                             34 enum {
 47         CS_ETM_MAGIC,                              35         CS_ETM_MAGIC,
 48         CS_ETM_CPU,                                36         CS_ETM_CPU,
 49         /* Number of trace config params in fo << 
 50         CS_ETM_NR_TRC_PARAMS,                  << 
 51         CS_ETM_COMMON_BLK_MAX_V1,              << 
 52 };                                                 37 };
 53                                                    38 
 54 /* ETMv3/PTM metadata */                           39 /* ETMv3/PTM metadata */
 55 enum {                                             40 enum {
 56         /* Dynamic, configurable parameters */     41         /* Dynamic, configurable parameters */
 57         CS_ETM_ETMCR = CS_ETM_COMMON_BLK_MAX_V !!  42         CS_ETM_ETMCR = CS_ETM_CPU + 1,
 58         CS_ETM_ETMTRACEIDR,                        43         CS_ETM_ETMTRACEIDR,
 59         /* RO, taken from sysFS */                 44         /* RO, taken from sysFS */
 60         CS_ETM_ETMCCER,                            45         CS_ETM_ETMCCER,
 61         CS_ETM_ETMIDR,                             46         CS_ETM_ETMIDR,
 62         CS_ETM_PRIV_MAX,                           47         CS_ETM_PRIV_MAX,
 63 };                                                 48 };
 64                                                    49 
 65 /* define fixed version 0 length - allow new f << 
 66 #define CS_ETM_NR_TRC_PARAMS_V0 (CS_ETM_ETMIDR << 
 67                                                << 
 68 /* ETMv4 metadata */                               50 /* ETMv4 metadata */
 69 enum {                                             51 enum {
 70         /* Dynamic, configurable parameters */     52         /* Dynamic, configurable parameters */
 71         CS_ETMV4_TRCCONFIGR = CS_ETM_COMMON_BL !!  53         CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1,
 72         CS_ETMV4_TRCTRACEIDR,                      54         CS_ETMV4_TRCTRACEIDR,
 73         /* RO, taken from sysFS */                 55         /* RO, taken from sysFS */
 74         CS_ETMV4_TRCIDR0,                          56         CS_ETMV4_TRCIDR0,
 75         CS_ETMV4_TRCIDR1,                          57         CS_ETMV4_TRCIDR1,
 76         CS_ETMV4_TRCIDR2,                          58         CS_ETMV4_TRCIDR2,
 77         CS_ETMV4_TRCIDR8,                          59         CS_ETMV4_TRCIDR8,
 78         CS_ETMV4_TRCAUTHSTATUS,                    60         CS_ETMV4_TRCAUTHSTATUS,
 79         CS_ETMV4_TS_SOURCE,                    << 
 80         CS_ETMV4_PRIV_MAX,                         61         CS_ETMV4_PRIV_MAX,
 81 };                                                 62 };
 82                                                    63 
 83 /* define fixed version 0 length - allow new f << 
 84 #define CS_ETMV4_NR_TRC_PARAMS_V0 (CS_ETMV4_TR << 
 85                                                << 
 86 /*                                             << 
 87  * ETE metadata is ETMv4 plus TRCDEVARCH regis << 
 88  * added in header V1                          << 
 89  */                                            << 
 90 enum {                                         << 
 91         /* Dynamic, configurable parameters */ << 
 92         CS_ETE_TRCCONFIGR = CS_ETM_COMMON_BLK_ << 
 93         CS_ETE_TRCTRACEIDR,                    << 
 94         /* RO, taken from sysFS */             << 
 95         CS_ETE_TRCIDR0,                        << 
 96         CS_ETE_TRCIDR1,                        << 
 97         CS_ETE_TRCIDR2,                        << 
 98         CS_ETE_TRCIDR8,                        << 
 99         CS_ETE_TRCAUTHSTATUS,                  << 
100         CS_ETE_TRCDEVARCH,                     << 
101         CS_ETE_TS_SOURCE,                      << 
102         CS_ETE_PRIV_MAX                        << 
103 };                                             << 
104                                                << 
105 /*                                             << 
106  * Check for valid CoreSight trace ID. If an i << 
107  * then IDs are present in the hardware ID pac << 
108  */                                            << 
109 #define CS_IS_VALID_TRACE_ID(id) ((id > 0) &&  << 
110                                                << 
111 /*                                             << 
112  * ETMv3 exception encoding number:            << 
113  * See Embedded Trace Macrocell specification  << 
114  * table 7-12 Encoding of Exception[3:0] for n << 
115  */                                            << 
116 enum {                                         << 
117         CS_ETMV3_EXC_NONE = 0,                 << 
118         CS_ETMV3_EXC_DEBUG_HALT = 1,           << 
119         CS_ETMV3_EXC_SMC = 2,                  << 
120         CS_ETMV3_EXC_HYP = 3,                  << 
121         CS_ETMV3_EXC_ASYNC_DATA_ABORT = 4,     << 
122         CS_ETMV3_EXC_JAZELLE_THUMBEE = 5,      << 
123         CS_ETMV3_EXC_PE_RESET = 8,             << 
124         CS_ETMV3_EXC_UNDEFINED_INSTR = 9,      << 
125         CS_ETMV3_EXC_SVC = 10,                 << 
126         CS_ETMV3_EXC_PREFETCH_ABORT = 11,      << 
127         CS_ETMV3_EXC_DATA_FAULT = 12,          << 
128         CS_ETMV3_EXC_GENERIC = 13,             << 
129         CS_ETMV3_EXC_IRQ = 14,                 << 
130         CS_ETMV3_EXC_FIQ = 15,                 << 
131 };                                             << 
132                                                << 
133 /*                                             << 
134  * ETMv4 exception encoding number:            << 
135  * See ARM Embedded Trace Macrocell Architectu << 
136  * table 6-12 Possible values for the TYPE fie << 
137  * trace packet, for ARMv7-A/R and ARMv8-A/R P << 
138  */                                            << 
139 enum {                                         << 
140         CS_ETMV4_EXC_RESET = 0,                << 
141         CS_ETMV4_EXC_DEBUG_HALT = 1,           << 
142         CS_ETMV4_EXC_CALL = 2,                 << 
143         CS_ETMV4_EXC_TRAP = 3,                 << 
144         CS_ETMV4_EXC_SYSTEM_ERROR = 4,         << 
145         CS_ETMV4_EXC_INST_DEBUG = 6,           << 
146         CS_ETMV4_EXC_DATA_DEBUG = 7,           << 
147         CS_ETMV4_EXC_ALIGNMENT = 10,           << 
148         CS_ETMV4_EXC_INST_FAULT = 11,          << 
149         CS_ETMV4_EXC_DATA_FAULT = 12,          << 
150         CS_ETMV4_EXC_IRQ = 14,                 << 
151         CS_ETMV4_EXC_FIQ = 15,                 << 
152         CS_ETMV4_EXC_END = 31,                 << 
153 };                                             << 
154                                                << 
155 enum cs_etm_sample_type {                      << 
156         CS_ETM_EMPTY,                          << 
157         CS_ETM_RANGE,                          << 
158         CS_ETM_DISCONTINUITY,                  << 
159         CS_ETM_EXCEPTION,                      << 
160         CS_ETM_EXCEPTION_RET,                  << 
161 };                                             << 
162                                                << 
163 enum cs_etm_isa {                              << 
164         CS_ETM_ISA_UNKNOWN,                    << 
165         CS_ETM_ISA_A64,                        << 
166         CS_ETM_ISA_A32,                        << 
167         CS_ETM_ISA_T32,                        << 
168 };                                             << 
169                                                << 
170 struct cs_etm_queue;                           << 
171                                                << 
172 struct cs_etm_packet {                         << 
173         enum cs_etm_sample_type sample_type;   << 
174         enum cs_etm_isa isa;                   << 
175         u64 start_addr;                        << 
176         u64 end_addr;                          << 
177         u32 instr_count;                       << 
178         u32 last_instr_type;                   << 
179         u32 last_instr_subtype;                << 
180         u32 flags;                             << 
181         u32 exception_number;                  << 
182         bool last_instr_cond;                  << 
183         bool last_instr_taken_branch;          << 
184         u8 last_instr_size;                    << 
185         u8 trace_chan_id;                      << 
186         int cpu;                               << 
187 };                                             << 
188                                                << 
189 #define CS_ETM_PACKET_MAX_BUFFER 1024          << 
190                                                << 
191 /*                                             << 
192  * When working with per-thread scenarios the  << 
193  * be scheduled on any CPU and as such, more t << 
194  * associated with the same process.  Since a  << 
195  * as per the CoreSight architecture, use that << 
196  * identify the queue where all packets (with  << 
197  * aggregated.                                 << 
198  */                                            << 
199 #define CS_ETM_PER_THREAD_TRACEID 0            << 
200                                                << 
201 struct cs_etm_packet_queue {                   << 
202         u32 packet_count;                      << 
203         u32 head;                              << 
204         u32 tail;                              << 
205         u32 instr_count;                       << 
206         u64 cs_timestamp; /* Timestamp from tr << 
207         u64 next_cs_timestamp;                 << 
208         struct cs_etm_packet packet_buffer[CS_ << 
209 };                                             << 
210                                                << 
211 #define KiB(x) ((x) * 1024)                        64 #define KiB(x) ((x) * 1024)
212 #define MiB(x) ((x) * 1024 * 1024)                 65 #define MiB(x) ((x) * 1024 * 1024)
213                                                    66 
214 #define CS_ETM_INVAL_ADDR 0xdeadbeefdeadbeefUL !!  67 #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64))
215                                                << 
216 #define BMVAL(val, lsb, msb)    ((val & GENMAS << 
217                                                << 
218 #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_ << 
219                                                    68 
220 #define __perf_cs_etmv3_magic 0x30303030303030 !!  69 static const u64 __perf_cs_etmv3_magic   = 0x3030303030303030ULL;
221 #define __perf_cs_etmv4_magic 0x40404040404040 !!  70 static const u64 __perf_cs_etmv4_magic   = 0x4040404040404040ULL;
222 #define __perf_cs_ete_magic   0x50505050505050 << 
223 #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX *      71 #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64))
224 #define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX      72 #define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64))
225 #define CS_ETE_PRIV_SIZE (CS_ETE_PRIV_MAX * si << 
226                                                << 
227 #define INFO_HEADER_SIZE (sizeof(((struct perf << 
228                           sizeof(((struct perf << 
229                                                << 
230 /* CoreSight trace ID is currently the bottom  << 
231 #define CORESIGHT_TRACE_ID_VAL_MASK     GENMAS << 
232                                                << 
233 int cs_etm__process_auxtrace_info(union perf_e << 
234                                   struct perf_ << 
235 void cs_etm_get_default_config(const struct pe << 
236                                                << 
237 enum cs_etm_pid_fmt {                          << 
238         CS_ETM_PIDFMT_NONE,                    << 
239         CS_ETM_PIDFMT_CTXTID,                  << 
240         CS_ETM_PIDFMT_CTXTID2                  << 
241 };                                             << 
242                                                << 
243 #ifdef HAVE_CSTRACE_SUPPORT                    << 
244 #include <opencsd/ocsd_if_types.h>             << 
245 int cs_etm__get_cpu(struct cs_etm_queue *etmq, << 
246 enum cs_etm_pid_fmt cs_etm__get_pid_fmt(struct << 
247 int cs_etm__etmq_set_tid_el(struct cs_etm_queu << 
248                             u8 trace_chan_id,  << 
249 bool cs_etm__etmq_is_timeless(struct cs_etm_qu << 
250 void cs_etm__etmq_set_traceid_queue_timestamp( << 
251                                                << 
252 struct cs_etm_packet_queue                     << 
253 *cs_etm__etmq_get_packet_queue(struct cs_etm_q << 
254 int cs_etm__process_auxtrace_info_full(union p << 
255                                        struct  << 
256 u64 cs_etm__convert_sample_time(struct cs_etm_ << 
257 #else                                          << 
258 static inline int                              << 
259 cs_etm__process_auxtrace_info_full(union perf_ << 
260                                    struct perf << 
261 {                                              << 
262         pr_err("\nCS ETM Trace: OpenCSD is not << 
263         return -1;                             << 
264 }                                              << 
265 #endif                                         << 
266                                                    73 
267 #endif                                             74 #endif
268                                                    75 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php