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

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" << 11 #include "util/event.h" 21 #include "util/event.h" 12 #include <linux/bits.h> !! 22 #include "util/session.h" 13 << 14 struct perf_session; << 15 struct perf_pmu; << 16 23 17 /* !! 24 /* Versionning header in case things need tro change in the future. That way 18 * Versioning header in case things need to ch << 19 * decoding of old snapshot is still possible. 25 * decoding of old snapshot is still possible. 20 */ 26 */ 21 enum { 27 enum { 22 /* Starting with 0x0 */ 28 /* Starting with 0x0 */ 23 CS_HEADER_VERSION, !! 29 CS_HEADER_VERSION_0, 24 /* PMU->type (32 bit), total # of CPUs 30 /* PMU->type (32 bit), total # of CPUs (32 bit) */ 25 CS_PMU_TYPE_CPUS, 31 CS_PMU_TYPE_CPUS, 26 CS_ETM_SNAPSHOT, 32 CS_ETM_SNAPSHOT, 27 CS_HEADER_VERSION_MAX, !! 33 CS_HEADER_VERSION_0_MAX, 28 }; 34 }; 29 35 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 36 /* Beginning of header common to both ETMv3 and V4 */ 46 enum { 37 enum { 47 CS_ETM_MAGIC, 38 CS_ETM_MAGIC, 48 CS_ETM_CPU, 39 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 }; 40 }; 53 41 54 /* ETMv3/PTM metadata */ 42 /* ETMv3/PTM metadata */ 55 enum { 43 enum { 56 /* Dynamic, configurable parameters */ 44 /* Dynamic, configurable parameters */ 57 CS_ETM_ETMCR = CS_ETM_COMMON_BLK_MAX_V !! 45 CS_ETM_ETMCR = CS_ETM_CPU + 1, 58 CS_ETM_ETMTRACEIDR, 46 CS_ETM_ETMTRACEIDR, 59 /* RO, taken from sysFS */ 47 /* RO, taken from sysFS */ 60 CS_ETM_ETMCCER, 48 CS_ETM_ETMCCER, 61 CS_ETM_ETMIDR, 49 CS_ETM_ETMIDR, 62 CS_ETM_PRIV_MAX, 50 CS_ETM_PRIV_MAX, 63 }; 51 }; 64 52 65 /* define fixed version 0 length - allow new f << 66 #define CS_ETM_NR_TRC_PARAMS_V0 (CS_ETM_ETMIDR << 67 << 68 /* ETMv4 metadata */ 53 /* ETMv4 metadata */ 69 enum { 54 enum { 70 /* Dynamic, configurable parameters */ 55 /* Dynamic, configurable parameters */ 71 CS_ETMV4_TRCCONFIGR = CS_ETM_COMMON_BL !! 56 CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1, 72 CS_ETMV4_TRCTRACEIDR, 57 CS_ETMV4_TRCTRACEIDR, 73 /* RO, taken from sysFS */ 58 /* RO, taken from sysFS */ 74 CS_ETMV4_TRCIDR0, 59 CS_ETMV4_TRCIDR0, 75 CS_ETMV4_TRCIDR1, 60 CS_ETMV4_TRCIDR1, 76 CS_ETMV4_TRCIDR2, 61 CS_ETMV4_TRCIDR2, 77 CS_ETMV4_TRCIDR8, 62 CS_ETMV4_TRCIDR8, 78 CS_ETMV4_TRCAUTHSTATUS, 63 CS_ETMV4_TRCAUTHSTATUS, 79 CS_ETMV4_TS_SOURCE, << 80 CS_ETMV4_PRIV_MAX, 64 CS_ETMV4_PRIV_MAX, 81 }; 65 }; 82 66 83 /* define fixed version 0 length - allow new f !! 67 /* RB tree for quick conversion between traceID and CPUs */ 84 #define CS_ETMV4_NR_TRC_PARAMS_V0 (CS_ETMV4_TR !! 68 struct intlist *traceid_list; 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 69 211 #define KiB(x) ((x) * 1024) 70 #define KiB(x) ((x) * 1024) 212 #define MiB(x) ((x) * 1024 * 1024) 71 #define MiB(x) ((x) * 1024 * 1024) 213 72 214 #define CS_ETM_INVAL_ADDR 0xdeadbeefdeadbeefUL !! 73 #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64)) 215 74 216 #define BMVAL(val, lsb, msb) ((val & GENMAS !! 75 static const u64 __perf_cs_etmv3_magic = 0x3030303030303030ULL; 217 !! 76 static const u64 __perf_cs_etmv4_magic = 0x4040404040404040ULL; 218 #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_ << 219 << 220 #define __perf_cs_etmv3_magic 0x30303030303030 << 221 #define __perf_cs_etmv4_magic 0x40404040404040 << 222 #define __perf_cs_ete_magic 0x50505050505050 << 223 #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * 77 #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64)) 224 #define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX 78 #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 79 >> 80 #ifdef HAVE_CSTRACE_SUPPORT 233 int cs_etm__process_auxtrace_info(union perf_e 81 int cs_etm__process_auxtrace_info(union perf_event *event, 234 struct perf_ 82 struct perf_session *session); 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 83 #else 258 static inline int 84 static inline int 259 cs_etm__process_auxtrace_info_full(union perf_ !! 85 cs_etm__process_auxtrace_info(union perf_event *event __maybe_unused, 260 struct perf !! 86 struct perf_session *session __maybe_unused) 261 { 87 { 262 pr_err("\nCS ETM Trace: OpenCSD is not << 263 return -1; 88 return -1; 264 } 89 } 265 #endif 90 #endif 266 91 267 #endif 92 #endif 268 93

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

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

Diff markup

Differences between /tools/perf/util/cs-etm.h (Version linux-6.12-rc7) and /tools/perf/util/cs-etm.h (Version linux-4.16.18)

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

Diff markup

Differences between /tools/perf/util/cs-etm.h (Version linux-6.12-rc7) and /tools/perf/util/cs-etm.h (Version linux-4.16.18)

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