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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-5.6.19)


  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                 for (i = 0; i < s1->branch_stack->nr; i++)
118                 for (i = 0; i < s1->branch_sta !! 103                         MCOMP(branch_stack->entries[i]);
119                         if (needs_swap)        << 
120                                 return ((host_ << 
121                                         (FLAG( << 
122                                         (FLAG( << 
123                         else                   << 
124                                 MCOMP(branch_s << 
125                 }                              << 
126         }                                         104         }
127                                                   105 
128         if (type & PERF_SAMPLE_REGS_USER) {       106         if (type & PERF_SAMPLE_REGS_USER) {
129                 size_t sz = hweight_long(s1->u    107                 size_t sz = hweight_long(s1->user_regs.mask) * sizeof(u64);
130                                                   108 
131                 COMP(user_regs.mask);             109                 COMP(user_regs.mask);
132                 COMP(user_regs.abi);              110                 COMP(user_regs.abi);
133                 if (s1->user_regs.abi &&          111                 if (s1->user_regs.abi &&
134                     (!s1->user_regs.regs || !s    112                     (!s1->user_regs.regs || !s2->user_regs.regs ||
135                      memcmp(s1->user_regs.regs    113                      memcmp(s1->user_regs.regs, s2->user_regs.regs, sz))) {
136                         pr_debug("Samples diff    114                         pr_debug("Samples differ at 'user_regs'\n");
137                         return false;             115                         return false;
138                 }                                 116                 }
139         }                                         117         }
140                                                   118 
141         if (type & PERF_SAMPLE_STACK_USER) {      119         if (type & PERF_SAMPLE_STACK_USER) {
142                 COMP(user_stack.size);            120                 COMP(user_stack.size);
143                 if (memcmp(s1->user_stack.data    121                 if (memcmp(s1->user_stack.data, s2->user_stack.data,
144                            s1->user_stack.size    122                            s1->user_stack.size)) {
145                         pr_debug("Samples diff    123                         pr_debug("Samples differ at 'user_stack'\n");
146                         return false;             124                         return false;
147                 }                                 125                 }
148         }                                         126         }
149                                                   127 
150         if (type & PERF_SAMPLE_WEIGHT)            128         if (type & PERF_SAMPLE_WEIGHT)
151                 COMP(weight);                     129                 COMP(weight);
152                                                   130 
153         if (type & PERF_SAMPLE_DATA_SRC)          131         if (type & PERF_SAMPLE_DATA_SRC)
154                 COMP(data_src);                   132                 COMP(data_src);
155                                                   133 
156         if (type & PERF_SAMPLE_TRANSACTION)       134         if (type & PERF_SAMPLE_TRANSACTION)
157                 COMP(transaction);                135                 COMP(transaction);
158                                                   136 
159         if (type & PERF_SAMPLE_REGS_INTR) {       137         if (type & PERF_SAMPLE_REGS_INTR) {
160                 size_t sz = hweight_long(s1->i    138                 size_t sz = hweight_long(s1->intr_regs.mask) * sizeof(u64);
161                                                   139 
162                 COMP(intr_regs.mask);             140                 COMP(intr_regs.mask);
163                 COMP(intr_regs.abi);              141                 COMP(intr_regs.abi);
164                 if (s1->intr_regs.abi &&          142                 if (s1->intr_regs.abi &&
165                     (!s1->intr_regs.regs || !s    143                     (!s1->intr_regs.regs || !s2->intr_regs.regs ||
166                      memcmp(s1->intr_regs.regs    144                      memcmp(s1->intr_regs.regs, s2->intr_regs.regs, sz))) {
167                         pr_debug("Samples diff    145                         pr_debug("Samples differ at 'intr_regs'\n");
168                         return false;             146                         return false;
169                 }                                 147                 }
170         }                                         148         }
171                                                   149 
172         if (type & PERF_SAMPLE_PHYS_ADDR)         150         if (type & PERF_SAMPLE_PHYS_ADDR)
173                 COMP(phys_addr);                  151                 COMP(phys_addr);
174                                                   152 
175         if (type & PERF_SAMPLE_CGROUP)         << 
176                 COMP(cgroup);                  << 
177                                                << 
178         if (type & PERF_SAMPLE_DATA_PAGE_SIZE) << 
179                 COMP(data_page_size);          << 
180                                                << 
181         if (type & PERF_SAMPLE_CODE_PAGE_SIZE) << 
182                 COMP(code_page_size);          << 
183                                                << 
184         if (type & PERF_SAMPLE_AUX) {             153         if (type & PERF_SAMPLE_AUX) {
185                 COMP(aux_sample.size);            154                 COMP(aux_sample.size);
186                 if (memcmp(s1->aux_sample.data    155                 if (memcmp(s1->aux_sample.data, s2->aux_sample.data,
187                            s1->aux_sample.size    156                            s1->aux_sample.size)) {
188                         pr_debug("Samples diff    157                         pr_debug("Samples differ at 'aux_sample'\n");
189                         return false;             158                         return false;
190                 }                                 159                 }
191         }                                         160         }
192                                                   161 
193         return true;                              162         return true;
194 }                                                 163 }
195                                                   164 
196 static int do_test(u64 sample_type, u64 sample    165 static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
197 {                                                 166 {
198         struct evsel evsel = {                    167         struct evsel evsel = {
199                 .needs_swap = false,              168                 .needs_swap = false,
200                 .core = {                         169                 .core = {
201                         . attr = {                170                         . attr = {
202                                 .sample_type =    171                                 .sample_type = sample_type,
203                                 .read_format =    172                                 .read_format = read_format,
204                         },                        173                         },
205                 },                                174                 },
206         };                                        175         };
207         union perf_event *event;                  176         union perf_event *event;
208         union {                                   177         union {
209                 struct ip_callchain callchain;    178                 struct ip_callchain callchain;
210                 u64 data[64];                     179                 u64 data[64];
211         } callchain = {                           180         } callchain = {
212                 /* 3 ips */                       181                 /* 3 ips */
213                 .data = {3, 201, 202, 203},       182                 .data = {3, 201, 202, 203},
214         };                                        183         };
215         union {                                   184         union {
216                 struct branch_stack branch_sta    185                 struct branch_stack branch_stack;
217                 u64 data[64];                     186                 u64 data[64];
218         } branch_stack = {                        187         } branch_stack = {
219                 /* 1 branch_entry */              188                 /* 1 branch_entry */
220                 .data = {1, -1ULL, 211, 212, 2 !! 189                 .data = {1, 211, 212, 213},
221         };                                        190         };
222         u64 regs[64];                             191         u64 regs[64];
223         const u32 raw_data[] = {0x12345678, 0x !! 192         const u64 raw_data[] = {0x123456780a0b0c0dULL, 0x1102030405060708ULL};
224         const u64 data[] = {0x2211443366558877    193         const u64 data[] = {0x2211443366558877ULL, 0, 0xaabbccddeeff4321ULL};
225         const u64 aux_data[] = {0xa55a, 0, 0xe    194         const u64 aux_data[] = {0xa55a, 0, 0xeeddee, 0x0282028202820282};
226         struct perf_sample sample = {             195         struct perf_sample sample = {
227                 .ip             = 101,            196                 .ip             = 101,
228                 .pid            = 102,            197                 .pid            = 102,
229                 .tid            = 103,            198                 .tid            = 103,
230                 .time           = 104,            199                 .time           = 104,
231                 .addr           = 105,            200                 .addr           = 105,
232                 .id             = 106,            201                 .id             = 106,
233                 .stream_id      = 107,            202                 .stream_id      = 107,
234                 .period         = 108,            203                 .period         = 108,
235                 .weight         = 109,            204                 .weight         = 109,
236                 .cpu            = 110,            205                 .cpu            = 110,
237                 .raw_size       = sizeof(raw_d    206                 .raw_size       = sizeof(raw_data),
238                 .data_src       = 111,            207                 .data_src       = 111,
239                 .transaction    = 112,            208                 .transaction    = 112,
240                 .raw_data       = (void *)raw_    209                 .raw_data       = (void *)raw_data,
241                 .callchain      = &callchain.c    210                 .callchain      = &callchain.callchain,
242                 .no_hw_idx      = false,       << 
243                 .branch_stack   = &branch_stac    211                 .branch_stack   = &branch_stack.branch_stack,
244                 .user_regs      = {               212                 .user_regs      = {
245                         .abi    = PERF_SAMPLE_    213                         .abi    = PERF_SAMPLE_REGS_ABI_64,
246                         .mask   = sample_regs,    214                         .mask   = sample_regs,
247                         .regs   = regs,           215                         .regs   = regs,
248                 },                                216                 },
249                 .user_stack     = {               217                 .user_stack     = {
250                         .size   = sizeof(data)    218                         .size   = sizeof(data),
251                         .data   = (void *)data    219                         .data   = (void *)data,
252                 },                                220                 },
253                 .read           = {               221                 .read           = {
254                         .time_enabled = 0x030a    222                         .time_enabled = 0x030a59d664fca7deULL,
255                         .time_running = 0x011b    223                         .time_running = 0x011b6ae553eb98edULL,
256                 },                                224                 },
257                 .intr_regs      = {               225                 .intr_regs      = {
258                         .abi    = PERF_SAMPLE_    226                         .abi    = PERF_SAMPLE_REGS_ABI_64,
259                         .mask   = sample_regs,    227                         .mask   = sample_regs,
260                         .regs   = regs,           228                         .regs   = regs,
261                 },                                229                 },
262                 .phys_addr      = 113,            230                 .phys_addr      = 113,
263                 .cgroup         = 114,         << 
264                 .data_page_size = 115,         << 
265                 .code_page_size = 116,         << 
266                 .aux_sample     = {               231                 .aux_sample     = {
267                         .size   = sizeof(aux_d    232                         .size   = sizeof(aux_data),
268                         .data   = (void *)aux_    233                         .data   = (void *)aux_data,
269                 },                                234                 },
270         };                                        235         };
271         struct sample_read_value values[] = {{ !! 236         struct sample_read_value values[] = {{1, 5}, {9, 3}, {2, 7}, {6, 4},};
272         struct perf_sample sample_out, sample_ !! 237         struct perf_sample sample_out;
273         size_t i, sz, bufsz;                      238         size_t i, sz, bufsz;
274         int err, ret = -1;                        239         int err, ret = -1;
275                                                   240 
276         if (sample_type & PERF_SAMPLE_REGS_USE    241         if (sample_type & PERF_SAMPLE_REGS_USER)
277                 evsel.core.attr.sample_regs_us    242                 evsel.core.attr.sample_regs_user = sample_regs;
278                                                   243 
279         if (sample_type & PERF_SAMPLE_REGS_INT    244         if (sample_type & PERF_SAMPLE_REGS_INTR)
280                 evsel.core.attr.sample_regs_in    245                 evsel.core.attr.sample_regs_intr = sample_regs;
281                                                   246 
282         if (sample_type & PERF_SAMPLE_BRANCH_S << 
283                 evsel.core.attr.branch_sample_ << 
284                                                << 
285         for (i = 0; i < sizeof(regs); i++)        247         for (i = 0; i < sizeof(regs); i++)
286                 *(i + (u8 *)regs) = i & 0xfe;     248                 *(i + (u8 *)regs) = i & 0xfe;
287                                                   249 
288         if (read_format & PERF_FORMAT_GROUP) {    250         if (read_format & PERF_FORMAT_GROUP) {
289                 sample.read.group.nr     = 4;     251                 sample.read.group.nr     = 4;
290                 sample.read.group.values = val    252                 sample.read.group.values = values;
291         } else {                                  253         } else {
292                 sample.read.one.value = 0x0878    254                 sample.read.one.value = 0x08789faeb786aa87ULL;
293                 sample.read.one.id    = 99;       255                 sample.read.one.id    = 99;
294                 sample.read.one.lost  = 1;     << 
295         }                                         256         }
296                                                   257 
297         sz = perf_event__sample_event_size(&sa    258         sz = perf_event__sample_event_size(&sample, sample_type, read_format);
298         bufsz = sz + 4096; /* Add a bit for ov    259         bufsz = sz + 4096; /* Add a bit for overrun checking */
299         event = malloc(bufsz);                    260         event = malloc(bufsz);
300         if (!event) {                             261         if (!event) {
301                 pr_debug("malloc failed\n");      262                 pr_debug("malloc failed\n");
302                 return -1;                        263                 return -1;
303         }                                         264         }
304                                                   265 
305         memset(event, 0xff, bufsz);               266         memset(event, 0xff, bufsz);
306         event->header.type = PERF_RECORD_SAMPL    267         event->header.type = PERF_RECORD_SAMPLE;
307         event->header.misc = 0;                   268         event->header.misc = 0;
308         event->header.size = sz;                  269         event->header.size = sz;
309                                                   270 
310         err = perf_event__synthesize_sample(ev    271         err = perf_event__synthesize_sample(event, sample_type, read_format,
311                                             &s    272                                             &sample);
312         if (err) {                                273         if (err) {
313                 pr_debug("%s failed for sample    274                 pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
314                          "perf_event__synthesi    275                          "perf_event__synthesize_sample", sample_type, err);
315                 goto out_free;                    276                 goto out_free;
316         }                                         277         }
317                                                   278 
318         /* The data does not contain 0xff so w    279         /* The data does not contain 0xff so we use that to check the size */
319         for (i = bufsz; i > 0; i--) {             280         for (i = bufsz; i > 0; i--) {
320                 if (*(i - 1 + (u8 *)event) !=     281                 if (*(i - 1 + (u8 *)event) != 0xff)
321                         break;                    282                         break;
322         }                                         283         }
323         if (i != sz) {                            284         if (i != sz) {
324                 pr_debug("Event size mismatch:    285                 pr_debug("Event size mismatch: actual %zu vs expected %zu\n",
325                          i, sz);                  286                          i, sz);
326                 goto out_free;                    287                 goto out_free;
327         }                                         288         }
328                                                   289 
329         evsel.sample_size = __evsel__sample_si !! 290         evsel.sample_size = __perf_evsel__sample_size(sample_type);
330                                                   291 
331         err = evsel__parse_sample(&evsel, even !! 292         err = perf_evsel__parse_sample(&evsel, event, &sample_out);
332         if (err) {                                293         if (err) {
333                 pr_debug("%s failed for sample    294                 pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
334                          "evsel__parse_sample" !! 295                          "perf_evsel__parse_sample", sample_type, err);
335                 goto out_free;                    296                 goto out_free;
336         }                                         297         }
337                                                   298 
338         if (!samples_same(&sample, &sample_out !! 299         if (!samples_same(&sample, &sample_out, sample_type, read_format)) {
339                 pr_debug("parsing failed for s    300                 pr_debug("parsing failed for sample_type %#"PRIx64"\n",
340                          sample_type);            301                          sample_type);
341                 goto out_free;                    302                 goto out_free;
342         }                                         303         }
343                                                   304 
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;                                  305         ret = 0;
362 out_free:                                         306 out_free:
363         free(event);                              307         free(event);
364         if (ret && read_format)                   308         if (ret && read_format)
365                 pr_debug("read_format %#"PRIx6    309                 pr_debug("read_format %#"PRIx64"\n", read_format);
366         return ret;                               310         return ret;
367 }                                                 311 }
368                                                   312 
369 /**                                               313 /**
370  * test__sample_parsing - test sample parsing.    314  * test__sample_parsing - test sample parsing.
371  *                                                315  *
372  * This function implements a test that synthe    316  * This function implements a test that synthesizes a sample event, parses it
373  * and then checks that the parsed sample matc    317  * and then checks that the parsed sample matches the original sample.  The test
374  * checks sample format bits separately and to    318  * checks sample format bits separately and together.  If the test passes %0 is
375  * returned, otherwise %-1 is returned.           319  * returned, otherwise %-1 is returned.
376  */                                               320  */
377 static int test__sample_parsing(struct test_su !! 321 int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_unused)
378 {                                                 322 {
379         const u64 rf[] = {4, 5, 6, 7, 12, 13,  !! 323         const u64 rf[] = {4, 5, 6, 7, 12, 13, 14, 15};
380         u64 sample_type;                          324         u64 sample_type;
381         u64 sample_regs;                          325         u64 sample_regs;
382         size_t i;                                 326         size_t i;
383         int err;                                  327         int err;
384                                                   328 
385         /*                                        329         /*
386          * Fail the test if it has not been up    330          * Fail the test if it has not been updated when new sample format bits
387          * were added.  Please actually update    331          * were added.  Please actually update the test rather than just change
388          * the condition below.                   332          * the condition below.
389          */                                       333          */
390         if (PERF_SAMPLE_MAX > PERF_SAMPLE_WEIG !! 334         if (PERF_SAMPLE_MAX > PERF_SAMPLE_AUX << 1) {
391                 pr_debug("sample format has ch    335                 pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
392                 return -1;                        336                 return -1;
393         }                                         337         }
394                                                   338 
395         /* Test each sample format bit separat    339         /* Test each sample format bit separately */
396         for (sample_type = 1; sample_type != P    340         for (sample_type = 1; sample_type != PERF_SAMPLE_MAX;
397              sample_type <<= 1) {                 341              sample_type <<= 1) {
398                 /* Test read_format variations    342                 /* Test read_format variations */
399                 if (sample_type == PERF_SAMPLE    343                 if (sample_type == PERF_SAMPLE_READ) {
400                         for (i = 0; i < ARRAY_    344                         for (i = 0; i < ARRAY_SIZE(rf); i++) {
401                                 err = do_test(    345                                 err = do_test(sample_type, 0, rf[i]);
402                                 if (err)          346                                 if (err)
403                                         return    347                                         return err;
404                         }                         348                         }
405                         continue;                 349                         continue;
406                 }                                 350                 }
407                 sample_regs = 0;                  351                 sample_regs = 0;
408                                                   352 
409                 if (sample_type == PERF_SAMPLE    353                 if (sample_type == PERF_SAMPLE_REGS_USER)
410                         sample_regs = 0x3fff;     354                         sample_regs = 0x3fff;
411                                                   355 
412                 if (sample_type == PERF_SAMPLE    356                 if (sample_type == PERF_SAMPLE_REGS_INTR)
413                         sample_regs = 0xff0fff    357                         sample_regs = 0xff0fff;
414                                                   358 
415                 err = do_test(sample_type, sam    359                 err = do_test(sample_type, sample_regs, 0);
416                 if (err)                          360                 if (err)
417                         return err;               361                         return err;
418         }                                         362         }
419                                                   363 
420         /*                                     !! 364         /* Test all sample format bits together */
421          * Test all sample format bits togethe !! 365         sample_type = PERF_SAMPLE_MAX - 1;
422          * Note: PERF_SAMPLE_WEIGHT and PERF_S << 
423          *       be set simultaneously.        << 
424          */                                    << 
425         sample_type = (PERF_SAMPLE_MAX - 1) &  << 
426         sample_regs = 0x3fff; /* shared yb int    366         sample_regs = 0x3fff; /* shared yb intr and user regs */
427         for (i = 0; i < ARRAY_SIZE(rf); i++) {    367         for (i = 0; i < ARRAY_SIZE(rf); i++) {
428                 err = do_test(sample_type, sam    368                 err = do_test(sample_type, sample_regs, rf[i]);
429                 if (err)                          369                 if (err)
430                         return err;               370                         return err;
431         }                                         371         }
432                                                   372 
433         return 0;                                 373         return 0;
434 }                                                 374 }
435                                                << 
436 DEFINE_SUITE("Sample parsing", sample_parsing) << 
437                                                   375 

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