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TOMOYO Linux Cross Reference
Linux/tools/perf/tests/sample-parsing.c

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/tests/sample-parsing.c (Version linux-6.12-rc7) and /tools/perf/tests/sample-parsing.c (Version linux-5.14.21)


  1 // SPDX-License-Identifier: GPL-2.0                 1 // SPDX-License-Identifier: GPL-2.0
  2 #include <stdbool.h>                                2 #include <stdbool.h>
  3 #include <inttypes.h>                               3 #include <inttypes.h>
  4 #include <stdlib.h>                                 4 #include <stdlib.h>
  5 #include <string.h>                                 5 #include <string.h>
  6 #include <linux/bitops.h>                           6 #include <linux/bitops.h>
  7 #include <linux/kernel.h>                           7 #include <linux/kernel.h>
  8 #include <linux/types.h>                            8 #include <linux/types.h>
  9                                                     9 
 10 #include "map_symbol.h"                            10 #include "map_symbol.h"
 11 #include "branch.h"                                11 #include "branch.h"
 12 #include "event.h"                                 12 #include "event.h"
 13 #include "evsel.h"                                 13 #include "evsel.h"
 14 #include "debug.h"                                 14 #include "debug.h"
 15 #include "util/synthetic-events.h"                 15 #include "util/synthetic-events.h"
 16 #include "util/util.h"                         << 
 17                                                    16 
 18 #include "tests.h"                                 17 #include "tests.h"
 19                                                    18 
 20 #define COMP(m) do {                               19 #define COMP(m) do {                                    \
 21         if (s1->m != s2->m) {                      20         if (s1->m != s2->m) {                           \
 22                 pr_debug("Samples differ at '"     21                 pr_debug("Samples differ at '"#m"'\n"); \
 23                 return false;                      22                 return false;                           \
 24         }                                          23         }                                               \
 25 } while (0)                                        24 } while (0)
 26                                                    25 
 27 #define MCOMP(m) do {                              26 #define MCOMP(m) do {                                   \
 28         if (memcmp(&s1->m, &s2->m, sizeof(s1->     27         if (memcmp(&s1->m, &s2->m, sizeof(s1->m))) {    \
 29                 pr_debug("Samples differ at '"     28                 pr_debug("Samples differ at '"#m"'\n"); \
 30                 return false;                      29                 return false;                           \
 31         }                                          30         }                                               \
 32 } while (0)                                        31 } while (0)
 33                                                    32 
 34 /*                                             << 
 35  * Hardcode the expected values for branch_ent << 
 36  * These are based on the input value (213) sp << 
 37  * in branch_stack variable.                   << 
 38  */                                            << 
 39 #define BS_EXPECTED_BE  0xa000d00000000000     << 
 40 #define BS_EXPECTED_LE  0x1aa00000000          << 
 41 #define FLAG(s) s->branch_stack->entries[i].fl << 
 42                                                << 
 43 static bool samples_same(const struct perf_sam     33 static bool samples_same(const struct perf_sample *s1,
 44                          const struct perf_sam     34                          const struct perf_sample *s2,
 45                          u64 type, u64 read_fo !!  35                          u64 type, u64 read_format)
 46 {                                                  36 {
 47         size_t i;                                  37         size_t i;
 48                                                    38 
 49         if (type & PERF_SAMPLE_IDENTIFIER)         39         if (type & PERF_SAMPLE_IDENTIFIER)
 50                 COMP(id);                          40                 COMP(id);
 51                                                    41 
 52         if (type & PERF_SAMPLE_IP)                 42         if (type & PERF_SAMPLE_IP)
 53                 COMP(ip);                          43                 COMP(ip);
 54                                                    44 
 55         if (type & PERF_SAMPLE_TID) {              45         if (type & PERF_SAMPLE_TID) {
 56                 COMP(pid);                         46                 COMP(pid);
 57                 COMP(tid);                         47                 COMP(tid);
 58         }                                          48         }
 59                                                    49 
 60         if (type & PERF_SAMPLE_TIME)               50         if (type & PERF_SAMPLE_TIME)
 61                 COMP(time);                        51                 COMP(time);
 62                                                    52 
 63         if (type & PERF_SAMPLE_ADDR)               53         if (type & PERF_SAMPLE_ADDR)
 64                 COMP(addr);                        54                 COMP(addr);
 65                                                    55 
 66         if (type & PERF_SAMPLE_ID)                 56         if (type & PERF_SAMPLE_ID)
 67                 COMP(id);                          57                 COMP(id);
 68                                                    58 
 69         if (type & PERF_SAMPLE_STREAM_ID)          59         if (type & PERF_SAMPLE_STREAM_ID)
 70                 COMP(stream_id);                   60                 COMP(stream_id);
 71                                                    61 
 72         if (type & PERF_SAMPLE_CPU)                62         if (type & PERF_SAMPLE_CPU)
 73                 COMP(cpu);                         63                 COMP(cpu);
 74                                                    64 
 75         if (type & PERF_SAMPLE_PERIOD)             65         if (type & PERF_SAMPLE_PERIOD)
 76                 COMP(period);                      66                 COMP(period);
 77                                                    67 
 78         if (type & PERF_SAMPLE_READ) {             68         if (type & PERF_SAMPLE_READ) {
 79                 if (read_format & PERF_FORMAT_     69                 if (read_format & PERF_FORMAT_GROUP)
 80                         COMP(read.group.nr);       70                         COMP(read.group.nr);
 81                 else                               71                 else
 82                         COMP(read.one.value);      72                         COMP(read.one.value);
 83                 if (read_format & PERF_FORMAT_     73                 if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
 84                         COMP(read.time_enabled     74                         COMP(read.time_enabled);
 85                 if (read_format & PERF_FORMAT_     75                 if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
 86                         COMP(read.time_running     76                         COMP(read.time_running);
 87                 /* PERF_FORMAT_ID is forced fo     77                 /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
 88                 if (read_format & PERF_FORMAT_     78                 if (read_format & PERF_FORMAT_GROUP) {
 89                         for (i = 0; i < s1->re !!  79                         for (i = 0; i < s1->read.group.nr; i++)
 90                                 /* FIXME: chec !!  80                                 MCOMP(read.group.values[i]);
 91                                 if (read_forma << 
 92                                         MCOMP( << 
 93                         }                      << 
 94                 } else {                           81                 } else {
 95                         COMP(read.one.id);         82                         COMP(read.one.id);
 96                         if (read_format & PERF << 
 97                                 COMP(read.one. << 
 98                 }                                  83                 }
 99         }                                          84         }
100                                                    85 
101         if (type & PERF_SAMPLE_CALLCHAIN) {        86         if (type & PERF_SAMPLE_CALLCHAIN) {
102                 COMP(callchain->nr);               87                 COMP(callchain->nr);
103                 for (i = 0; i < s1->callchain-     88                 for (i = 0; i < s1->callchain->nr; i++)
104                         COMP(callchain->ips[i]     89                         COMP(callchain->ips[i]);
105         }                                          90         }
106                                                    91 
107         if (type & PERF_SAMPLE_RAW) {              92         if (type & PERF_SAMPLE_RAW) {
108                 COMP(raw_size);                    93                 COMP(raw_size);
109                 if (memcmp(s1->raw_data, s2->r     94                 if (memcmp(s1->raw_data, s2->raw_data, s1->raw_size)) {
110                         pr_debug("Samples diff     95                         pr_debug("Samples differ at 'raw_data'\n");
111                         return false;              96                         return false;
112                 }                                  97                 }
113         }                                          98         }
114                                                    99 
115         if (type & PERF_SAMPLE_BRANCH_STACK) {    100         if (type & PERF_SAMPLE_BRANCH_STACK) {
116                 COMP(branch_stack->nr);           101                 COMP(branch_stack->nr);
117                 COMP(branch_stack->hw_idx);       102                 COMP(branch_stack->hw_idx);
118                 for (i = 0; i < s1->branch_sta !! 103                 for (i = 0; i < s1->branch_stack->nr; i++)
119                         if (needs_swap)        !! 104                         MCOMP(branch_stack->entries[i]);
120                                 return ((host_ << 
121                                         (FLAG( << 
122                                         (FLAG( << 
123                         else                   << 
124                                 MCOMP(branch_s << 
125                 }                              << 
126         }                                         105         }
127                                                   106 
128         if (type & PERF_SAMPLE_REGS_USER) {       107         if (type & PERF_SAMPLE_REGS_USER) {
129                 size_t sz = hweight_long(s1->u    108                 size_t sz = hweight_long(s1->user_regs.mask) * sizeof(u64);
130                                                   109 
131                 COMP(user_regs.mask);             110                 COMP(user_regs.mask);
132                 COMP(user_regs.abi);              111                 COMP(user_regs.abi);
133                 if (s1->user_regs.abi &&          112                 if (s1->user_regs.abi &&
134                     (!s1->user_regs.regs || !s    113                     (!s1->user_regs.regs || !s2->user_regs.regs ||
135                      memcmp(s1->user_regs.regs    114                      memcmp(s1->user_regs.regs, s2->user_regs.regs, sz))) {
136                         pr_debug("Samples diff    115                         pr_debug("Samples differ at 'user_regs'\n");
137                         return false;             116                         return false;
138                 }                                 117                 }
139         }                                         118         }
140                                                   119 
141         if (type & PERF_SAMPLE_STACK_USER) {      120         if (type & PERF_SAMPLE_STACK_USER) {
142                 COMP(user_stack.size);            121                 COMP(user_stack.size);
143                 if (memcmp(s1->user_stack.data    122                 if (memcmp(s1->user_stack.data, s2->user_stack.data,
144                            s1->user_stack.size    123                            s1->user_stack.size)) {
145                         pr_debug("Samples diff    124                         pr_debug("Samples differ at 'user_stack'\n");
146                         return false;             125                         return false;
147                 }                                 126                 }
148         }                                         127         }
149                                                   128 
150         if (type & PERF_SAMPLE_WEIGHT)            129         if (type & PERF_SAMPLE_WEIGHT)
151                 COMP(weight);                     130                 COMP(weight);
152                                                   131 
153         if (type & PERF_SAMPLE_DATA_SRC)          132         if (type & PERF_SAMPLE_DATA_SRC)
154                 COMP(data_src);                   133                 COMP(data_src);
155                                                   134 
156         if (type & PERF_SAMPLE_TRANSACTION)       135         if (type & PERF_SAMPLE_TRANSACTION)
157                 COMP(transaction);                136                 COMP(transaction);
158                                                   137 
159         if (type & PERF_SAMPLE_REGS_INTR) {       138         if (type & PERF_SAMPLE_REGS_INTR) {
160                 size_t sz = hweight_long(s1->i    139                 size_t sz = hweight_long(s1->intr_regs.mask) * sizeof(u64);
161                                                   140 
162                 COMP(intr_regs.mask);             141                 COMP(intr_regs.mask);
163                 COMP(intr_regs.abi);              142                 COMP(intr_regs.abi);
164                 if (s1->intr_regs.abi &&          143                 if (s1->intr_regs.abi &&
165                     (!s1->intr_regs.regs || !s    144                     (!s1->intr_regs.regs || !s2->intr_regs.regs ||
166                      memcmp(s1->intr_regs.regs    145                      memcmp(s1->intr_regs.regs, s2->intr_regs.regs, sz))) {
167                         pr_debug("Samples diff    146                         pr_debug("Samples differ at 'intr_regs'\n");
168                         return false;             147                         return false;
169                 }                                 148                 }
170         }                                         149         }
171                                                   150 
172         if (type & PERF_SAMPLE_PHYS_ADDR)         151         if (type & PERF_SAMPLE_PHYS_ADDR)
173                 COMP(phys_addr);                  152                 COMP(phys_addr);
174                                                   153 
175         if (type & PERF_SAMPLE_CGROUP)            154         if (type & PERF_SAMPLE_CGROUP)
176                 COMP(cgroup);                     155                 COMP(cgroup);
177                                                   156 
178         if (type & PERF_SAMPLE_DATA_PAGE_SIZE)    157         if (type & PERF_SAMPLE_DATA_PAGE_SIZE)
179                 COMP(data_page_size);             158                 COMP(data_page_size);
180                                                   159 
181         if (type & PERF_SAMPLE_CODE_PAGE_SIZE)    160         if (type & PERF_SAMPLE_CODE_PAGE_SIZE)
182                 COMP(code_page_size);             161                 COMP(code_page_size);
183                                                   162 
184         if (type & PERF_SAMPLE_AUX) {             163         if (type & PERF_SAMPLE_AUX) {
185                 COMP(aux_sample.size);            164                 COMP(aux_sample.size);
186                 if (memcmp(s1->aux_sample.data    165                 if (memcmp(s1->aux_sample.data, s2->aux_sample.data,
187                            s1->aux_sample.size    166                            s1->aux_sample.size)) {
188                         pr_debug("Samples diff    167                         pr_debug("Samples differ at 'aux_sample'\n");
189                         return false;             168                         return false;
190                 }                                 169                 }
191         }                                         170         }
192                                                   171 
193         return true;                              172         return true;
194 }                                                 173 }
195                                                   174 
196 static int do_test(u64 sample_type, u64 sample    175 static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
197 {                                                 176 {
198         struct evsel evsel = {                    177         struct evsel evsel = {
199                 .needs_swap = false,              178                 .needs_swap = false,
200                 .core = {                         179                 .core = {
201                         . attr = {                180                         . attr = {
202                                 .sample_type =    181                                 .sample_type = sample_type,
203                                 .read_format =    182                                 .read_format = read_format,
204                         },                        183                         },
205                 },                                184                 },
206         };                                        185         };
207         union perf_event *event;                  186         union perf_event *event;
208         union {                                   187         union {
209                 struct ip_callchain callchain;    188                 struct ip_callchain callchain;
210                 u64 data[64];                     189                 u64 data[64];
211         } callchain = {                           190         } callchain = {
212                 /* 3 ips */                       191                 /* 3 ips */
213                 .data = {3, 201, 202, 203},       192                 .data = {3, 201, 202, 203},
214         };                                        193         };
215         union {                                   194         union {
216                 struct branch_stack branch_sta    195                 struct branch_stack branch_stack;
217                 u64 data[64];                     196                 u64 data[64];
218         } branch_stack = {                        197         } branch_stack = {
219                 /* 1 branch_entry */              198                 /* 1 branch_entry */
220                 .data = {1, -1ULL, 211, 212, 2    199                 .data = {1, -1ULL, 211, 212, 213},
221         };                                        200         };
222         u64 regs[64];                             201         u64 regs[64];
223         const u32 raw_data[] = {0x12345678, 0x    202         const u32 raw_data[] = {0x12345678, 0x0a0b0c0d, 0x11020304, 0x05060708, 0 };
224         const u64 data[] = {0x2211443366558877    203         const u64 data[] = {0x2211443366558877ULL, 0, 0xaabbccddeeff4321ULL};
225         const u64 aux_data[] = {0xa55a, 0, 0xe    204         const u64 aux_data[] = {0xa55a, 0, 0xeeddee, 0x0282028202820282};
226         struct perf_sample sample = {             205         struct perf_sample sample = {
227                 .ip             = 101,            206                 .ip             = 101,
228                 .pid            = 102,            207                 .pid            = 102,
229                 .tid            = 103,            208                 .tid            = 103,
230                 .time           = 104,            209                 .time           = 104,
231                 .addr           = 105,            210                 .addr           = 105,
232                 .id             = 106,            211                 .id             = 106,
233                 .stream_id      = 107,            212                 .stream_id      = 107,
234                 .period         = 108,            213                 .period         = 108,
235                 .weight         = 109,            214                 .weight         = 109,
236                 .cpu            = 110,            215                 .cpu            = 110,
237                 .raw_size       = sizeof(raw_d    216                 .raw_size       = sizeof(raw_data),
238                 .data_src       = 111,            217                 .data_src       = 111,
239                 .transaction    = 112,            218                 .transaction    = 112,
240                 .raw_data       = (void *)raw_    219                 .raw_data       = (void *)raw_data,
241                 .callchain      = &callchain.c    220                 .callchain      = &callchain.callchain,
242                 .no_hw_idx      = false,          221                 .no_hw_idx      = false,
243                 .branch_stack   = &branch_stac    222                 .branch_stack   = &branch_stack.branch_stack,
244                 .user_regs      = {               223                 .user_regs      = {
245                         .abi    = PERF_SAMPLE_    224                         .abi    = PERF_SAMPLE_REGS_ABI_64,
246                         .mask   = sample_regs,    225                         .mask   = sample_regs,
247                         .regs   = regs,           226                         .regs   = regs,
248                 },                                227                 },
249                 .user_stack     = {               228                 .user_stack     = {
250                         .size   = sizeof(data)    229                         .size   = sizeof(data),
251                         .data   = (void *)data    230                         .data   = (void *)data,
252                 },                                231                 },
253                 .read           = {               232                 .read           = {
254                         .time_enabled = 0x030a    233                         .time_enabled = 0x030a59d664fca7deULL,
255                         .time_running = 0x011b    234                         .time_running = 0x011b6ae553eb98edULL,
256                 },                                235                 },
257                 .intr_regs      = {               236                 .intr_regs      = {
258                         .abi    = PERF_SAMPLE_    237                         .abi    = PERF_SAMPLE_REGS_ABI_64,
259                         .mask   = sample_regs,    238                         .mask   = sample_regs,
260                         .regs   = regs,           239                         .regs   = regs,
261                 },                                240                 },
262                 .phys_addr      = 113,            241                 .phys_addr      = 113,
263                 .cgroup         = 114,            242                 .cgroup         = 114,
264                 .data_page_size = 115,            243                 .data_page_size = 115,
265                 .code_page_size = 116,            244                 .code_page_size = 116,
266                 .aux_sample     = {               245                 .aux_sample     = {
267                         .size   = sizeof(aux_d    246                         .size   = sizeof(aux_data),
268                         .data   = (void *)aux_    247                         .data   = (void *)aux_data,
269                 },                                248                 },
270         };                                        249         };
271         struct sample_read_value values[] = {{ !! 250         struct sample_read_value values[] = {{1, 5}, {9, 3}, {2, 7}, {6, 4},};
272         struct perf_sample sample_out, sample_ !! 251         struct perf_sample sample_out;
273         size_t i, sz, bufsz;                      252         size_t i, sz, bufsz;
274         int err, ret = -1;                        253         int err, ret = -1;
275                                                   254 
276         if (sample_type & PERF_SAMPLE_REGS_USE    255         if (sample_type & PERF_SAMPLE_REGS_USER)
277                 evsel.core.attr.sample_regs_us    256                 evsel.core.attr.sample_regs_user = sample_regs;
278                                                   257 
279         if (sample_type & PERF_SAMPLE_REGS_INT    258         if (sample_type & PERF_SAMPLE_REGS_INTR)
280                 evsel.core.attr.sample_regs_in    259                 evsel.core.attr.sample_regs_intr = sample_regs;
281                                                   260 
282         if (sample_type & PERF_SAMPLE_BRANCH_S    261         if (sample_type & PERF_SAMPLE_BRANCH_STACK)
283                 evsel.core.attr.branch_sample_    262                 evsel.core.attr.branch_sample_type |= PERF_SAMPLE_BRANCH_HW_INDEX;
284                                                   263 
285         for (i = 0; i < sizeof(regs); i++)        264         for (i = 0; i < sizeof(regs); i++)
286                 *(i + (u8 *)regs) = i & 0xfe;     265                 *(i + (u8 *)regs) = i & 0xfe;
287                                                   266 
288         if (read_format & PERF_FORMAT_GROUP) {    267         if (read_format & PERF_FORMAT_GROUP) {
289                 sample.read.group.nr     = 4;     268                 sample.read.group.nr     = 4;
290                 sample.read.group.values = val    269                 sample.read.group.values = values;
291         } else {                                  270         } else {
292                 sample.read.one.value = 0x0878    271                 sample.read.one.value = 0x08789faeb786aa87ULL;
293                 sample.read.one.id    = 99;       272                 sample.read.one.id    = 99;
294                 sample.read.one.lost  = 1;     << 
295         }                                         273         }
296                                                   274 
297         sz = perf_event__sample_event_size(&sa    275         sz = perf_event__sample_event_size(&sample, sample_type, read_format);
298         bufsz = sz + 4096; /* Add a bit for ov    276         bufsz = sz + 4096; /* Add a bit for overrun checking */
299         event = malloc(bufsz);                    277         event = malloc(bufsz);
300         if (!event) {                             278         if (!event) {
301                 pr_debug("malloc failed\n");      279                 pr_debug("malloc failed\n");
302                 return -1;                        280                 return -1;
303         }                                         281         }
304                                                   282 
305         memset(event, 0xff, bufsz);               283         memset(event, 0xff, bufsz);
306         event->header.type = PERF_RECORD_SAMPL    284         event->header.type = PERF_RECORD_SAMPLE;
307         event->header.misc = 0;                   285         event->header.misc = 0;
308         event->header.size = sz;                  286         event->header.size = sz;
309                                                   287 
310         err = perf_event__synthesize_sample(ev    288         err = perf_event__synthesize_sample(event, sample_type, read_format,
311                                             &s    289                                             &sample);
312         if (err) {                                290         if (err) {
313                 pr_debug("%s failed for sample    291                 pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
314                          "perf_event__synthesi    292                          "perf_event__synthesize_sample", sample_type, err);
315                 goto out_free;                    293                 goto out_free;
316         }                                         294         }
317                                                   295 
318         /* The data does not contain 0xff so w    296         /* The data does not contain 0xff so we use that to check the size */
319         for (i = bufsz; i > 0; i--) {             297         for (i = bufsz; i > 0; i--) {
320                 if (*(i - 1 + (u8 *)event) !=     298                 if (*(i - 1 + (u8 *)event) != 0xff)
321                         break;                    299                         break;
322         }                                         300         }
323         if (i != sz) {                            301         if (i != sz) {
324                 pr_debug("Event size mismatch:    302                 pr_debug("Event size mismatch: actual %zu vs expected %zu\n",
325                          i, sz);                  303                          i, sz);
326                 goto out_free;                    304                 goto out_free;
327         }                                         305         }
328                                                   306 
329         evsel.sample_size = __evsel__sample_si    307         evsel.sample_size = __evsel__sample_size(sample_type);
330                                                   308 
331         err = evsel__parse_sample(&evsel, even    309         err = evsel__parse_sample(&evsel, event, &sample_out);
332         if (err) {                                310         if (err) {
333                 pr_debug("%s failed for sample    311                 pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
334                          "evsel__parse_sample"    312                          "evsel__parse_sample", sample_type, err);
335                 goto out_free;                    313                 goto out_free;
336         }                                         314         }
337                                                   315 
338         if (!samples_same(&sample, &sample_out !! 316         if (!samples_same(&sample, &sample_out, sample_type, read_format)) {
339                 pr_debug("parsing failed for s    317                 pr_debug("parsing failed for sample_type %#"PRIx64"\n",
340                          sample_type);            318                          sample_type);
341                 goto out_free;                    319                 goto out_free;
342         }                                         320         }
343                                                   321 
344         if (sample_type == PERF_SAMPLE_BRANCH_ << 
345                 evsel.needs_swap = true;       << 
346                 evsel.sample_size = __evsel__s << 
347                 err = evsel__parse_sample(&evs << 
348                 if (err) {                     << 
349                         pr_debug("%s failed fo << 
350                                  "evsel__parse << 
351                         goto out_free;         << 
352                 }                              << 
353                                                << 
354                 if (!samples_same(&sample, &sa << 
355                         pr_debug("parsing fail << 
356                                  sample_type); << 
357                         goto out_free;         << 
358                 }                              << 
359         }                                      << 
360                                                << 
361         ret = 0;                                  322         ret = 0;
362 out_free:                                         323 out_free:
363         free(event);                              324         free(event);
364         if (ret && read_format)                   325         if (ret && read_format)
365                 pr_debug("read_format %#"PRIx6    326                 pr_debug("read_format %#"PRIx64"\n", read_format);
366         return ret;                               327         return ret;
367 }                                                 328 }
368                                                   329 
369 /**                                               330 /**
370  * test__sample_parsing - test sample parsing.    331  * test__sample_parsing - test sample parsing.
371  *                                                332  *
372  * This function implements a test that synthe    333  * This function implements a test that synthesizes a sample event, parses it
373  * and then checks that the parsed sample matc    334  * and then checks that the parsed sample matches the original sample.  The test
374  * checks sample format bits separately and to    335  * checks sample format bits separately and together.  If the test passes %0 is
375  * returned, otherwise %-1 is returned.           336  * returned, otherwise %-1 is returned.
376  */                                               337  */
377 static int test__sample_parsing(struct test_su !! 338 int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_unused)
378 {                                                 339 {
379         const u64 rf[] = {4, 5, 6, 7, 12, 13,  !! 340         const u64 rf[] = {4, 5, 6, 7, 12, 13, 14, 15};
380         u64 sample_type;                          341         u64 sample_type;
381         u64 sample_regs;                          342         u64 sample_regs;
382         size_t i;                                 343         size_t i;
383         int err;                                  344         int err;
384                                                   345 
385         /*                                        346         /*
386          * Fail the test if it has not been up    347          * Fail the test if it has not been updated when new sample format bits
387          * were added.  Please actually update    348          * were added.  Please actually update the test rather than just change
388          * the condition below.                   349          * the condition below.
389          */                                       350          */
390         if (PERF_SAMPLE_MAX > PERF_SAMPLE_WEIG    351         if (PERF_SAMPLE_MAX > PERF_SAMPLE_WEIGHT_STRUCT << 1) {
391                 pr_debug("sample format has ch    352                 pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
392                 return -1;                        353                 return -1;
393         }                                         354         }
394                                                   355 
395         /* Test each sample format bit separat    356         /* Test each sample format bit separately */
396         for (sample_type = 1; sample_type != P    357         for (sample_type = 1; sample_type != PERF_SAMPLE_MAX;
397              sample_type <<= 1) {                 358              sample_type <<= 1) {
398                 /* Test read_format variations    359                 /* Test read_format variations */
399                 if (sample_type == PERF_SAMPLE    360                 if (sample_type == PERF_SAMPLE_READ) {
400                         for (i = 0; i < ARRAY_    361                         for (i = 0; i < ARRAY_SIZE(rf); i++) {
401                                 err = do_test(    362                                 err = do_test(sample_type, 0, rf[i]);
402                                 if (err)          363                                 if (err)
403                                         return    364                                         return err;
404                         }                         365                         }
405                         continue;                 366                         continue;
406                 }                                 367                 }
407                 sample_regs = 0;                  368                 sample_regs = 0;
408                                                   369 
409                 if (sample_type == PERF_SAMPLE    370                 if (sample_type == PERF_SAMPLE_REGS_USER)
410                         sample_regs = 0x3fff;     371                         sample_regs = 0x3fff;
411                                                   372 
412                 if (sample_type == PERF_SAMPLE    373                 if (sample_type == PERF_SAMPLE_REGS_INTR)
413                         sample_regs = 0xff0fff    374                         sample_regs = 0xff0fff;
414                                                   375 
415                 err = do_test(sample_type, sam    376                 err = do_test(sample_type, sample_regs, 0);
416                 if (err)                          377                 if (err)
417                         return err;               378                         return err;
418         }                                         379         }
419                                                   380 
420         /*                                        381         /*
421          * Test all sample format bits togethe    382          * Test all sample format bits together
422          * Note: PERF_SAMPLE_WEIGHT and PERF_S    383          * Note: PERF_SAMPLE_WEIGHT and PERF_SAMPLE_WEIGHT_STRUCT cannot
423          *       be set simultaneously.           384          *       be set simultaneously.
424          */                                       385          */
425         sample_type = (PERF_SAMPLE_MAX - 1) &     386         sample_type = (PERF_SAMPLE_MAX - 1) & ~PERF_SAMPLE_WEIGHT;
426         sample_regs = 0x3fff; /* shared yb int    387         sample_regs = 0x3fff; /* shared yb intr and user regs */
427         for (i = 0; i < ARRAY_SIZE(rf); i++) {    388         for (i = 0; i < ARRAY_SIZE(rf); i++) {
428                 err = do_test(sample_type, sam    389                 err = do_test(sample_type, sample_regs, rf[i]);
429                 if (err)                          390                 if (err)
430                         return err;               391                         return err;
431         }                                         392         }
432                                                   393 
433         return 0;                                 394         return 0;
434 }                                                 395 }
435                                                << 
436 DEFINE_SUITE("Sample parsing", sample_parsing) << 
437                                                   396 

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