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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
fd20e811 | 2 | #include <inttypes.h> |
6e344a95 NK |
3 | #include "perf.h" |
4 | #include "util/debug.h" | |
5 | #include "util/symbol.h" | |
6 | #include "util/sort.h" | |
7 | #include "util/evsel.h" | |
8 | #include "util/evlist.h" | |
9 | #include "util/machine.h" | |
10 | #include "util/thread.h" | |
11 | #include "tests/hists_common.h" | |
877a7a11 | 12 | #include <linux/kernel.h> |
6e344a95 NK |
13 | |
14 | static struct { | |
15 | u32 pid; | |
16 | const char *comm; | |
17 | } fake_threads[] = { | |
a1891aa4 NK |
18 | { FAKE_PID_PERF1, "perf" }, |
19 | { FAKE_PID_PERF2, "perf" }, | |
20 | { FAKE_PID_BASH, "bash" }, | |
6e344a95 NK |
21 | }; |
22 | ||
23 | static struct { | |
24 | u32 pid; | |
25 | u64 start; | |
26 | const char *filename; | |
27 | } fake_mmap_info[] = { | |
a1891aa4 NK |
28 | { FAKE_PID_PERF1, FAKE_MAP_PERF, "perf" }, |
29 | { FAKE_PID_PERF1, FAKE_MAP_LIBC, "libc" }, | |
30 | { FAKE_PID_PERF1, FAKE_MAP_KERNEL, "[kernel]" }, | |
31 | { FAKE_PID_PERF2, FAKE_MAP_PERF, "perf" }, | |
32 | { FAKE_PID_PERF2, FAKE_MAP_LIBC, "libc" }, | |
33 | { FAKE_PID_PERF2, FAKE_MAP_KERNEL, "[kernel]" }, | |
34 | { FAKE_PID_BASH, FAKE_MAP_BASH, "bash" }, | |
35 | { FAKE_PID_BASH, FAKE_MAP_LIBC, "libc" }, | |
36 | { FAKE_PID_BASH, FAKE_MAP_KERNEL, "[kernel]" }, | |
6e344a95 NK |
37 | }; |
38 | ||
39 | struct fake_sym { | |
40 | u64 start; | |
41 | u64 length; | |
42 | const char *name; | |
43 | }; | |
44 | ||
45 | static struct fake_sym perf_syms[] = { | |
a1891aa4 NK |
46 | { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" }, |
47 | { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "run_command" }, | |
48 | { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "cmd_record" }, | |
6e344a95 NK |
49 | }; |
50 | ||
51 | static struct fake_sym bash_syms[] = { | |
a1891aa4 NK |
52 | { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" }, |
53 | { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "xmalloc" }, | |
54 | { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "xfree" }, | |
6e344a95 NK |
55 | }; |
56 | ||
57 | static struct fake_sym libc_syms[] = { | |
58 | { 700, 100, "malloc" }, | |
59 | { 800, 100, "free" }, | |
60 | { 900, 100, "realloc" }, | |
a1891aa4 NK |
61 | { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "malloc" }, |
62 | { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "free" }, | |
63 | { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "realloc" }, | |
6e344a95 NK |
64 | }; |
65 | ||
66 | static struct fake_sym kernel_syms[] = { | |
a1891aa4 NK |
67 | { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "schedule" }, |
68 | { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "page_fault" }, | |
69 | { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "sys_perf_event_open" }, | |
6e344a95 NK |
70 | }; |
71 | ||
72 | static struct { | |
73 | const char *dso_name; | |
74 | struct fake_sym *syms; | |
75 | size_t nr_syms; | |
76 | } fake_symbols[] = { | |
77 | { "perf", perf_syms, ARRAY_SIZE(perf_syms) }, | |
78 | { "bash", bash_syms, ARRAY_SIZE(bash_syms) }, | |
79 | { "libc", libc_syms, ARRAY_SIZE(libc_syms) }, | |
80 | { "[kernel]", kernel_syms, ARRAY_SIZE(kernel_syms) }, | |
81 | }; | |
82 | ||
83 | struct machine *setup_fake_machine(struct machines *machines) | |
84 | { | |
85 | struct machine *machine = machines__find(machines, HOST_KERNEL_ID); | |
86 | size_t i; | |
87 | ||
88 | if (machine == NULL) { | |
89 | pr_debug("Not enough memory for machine setup\n"); | |
90 | return NULL; | |
91 | } | |
92 | ||
93 | for (i = 0; i < ARRAY_SIZE(fake_threads); i++) { | |
94 | struct thread *thread; | |
95 | ||
96 | thread = machine__findnew_thread(machine, fake_threads[i].pid, | |
97 | fake_threads[i].pid); | |
98 | if (thread == NULL) | |
99 | goto out; | |
100 | ||
101 | thread__set_comm(thread, fake_threads[i].comm, 0); | |
b91fc39f | 102 | thread__put(thread); |
6e344a95 NK |
103 | } |
104 | ||
105 | for (i = 0; i < ARRAY_SIZE(fake_mmap_info); i++) { | |
473398a2 ACM |
106 | struct perf_sample sample = { |
107 | .cpumode = PERF_RECORD_MISC_USER, | |
108 | }; | |
6e344a95 NK |
109 | union perf_event fake_mmap_event = { |
110 | .mmap = { | |
6e344a95 NK |
111 | .pid = fake_mmap_info[i].pid, |
112 | .tid = fake_mmap_info[i].pid, | |
113 | .start = fake_mmap_info[i].start, | |
a1891aa4 | 114 | .len = FAKE_MAP_LENGTH, |
6e344a95 NK |
115 | .pgoff = 0ULL, |
116 | }, | |
117 | }; | |
118 | ||
119 | strcpy(fake_mmap_event.mmap.filename, | |
120 | fake_mmap_info[i].filename); | |
121 | ||
473398a2 | 122 | machine__process_mmap_event(machine, &fake_mmap_event, &sample); |
6e344a95 NK |
123 | } |
124 | ||
125 | for (i = 0; i < ARRAY_SIZE(fake_symbols); i++) { | |
126 | size_t k; | |
127 | struct dso *dso; | |
128 | ||
aa7cc2ae | 129 | dso = machine__findnew_dso(machine, fake_symbols[i].dso_name); |
6e344a95 NK |
130 | if (dso == NULL) |
131 | goto out; | |
132 | ||
133 | /* emulate dso__load() */ | |
134 | dso__set_loaded(dso, MAP__FUNCTION); | |
135 | ||
136 | for (k = 0; k < fake_symbols[i].nr_syms; k++) { | |
137 | struct symbol *sym; | |
138 | struct fake_sym *fsym = &fake_symbols[i].syms[k]; | |
139 | ||
140 | sym = symbol__new(fsym->start, fsym->length, | |
141 | STB_GLOBAL, fsym->name); | |
d3a7c489 ACM |
142 | if (sym == NULL) { |
143 | dso__put(dso); | |
6e344a95 | 144 | goto out; |
d3a7c489 | 145 | } |
6e344a95 NK |
146 | |
147 | symbols__insert(&dso->symbols[MAP__FUNCTION], sym); | |
148 | } | |
d3a7c489 ACM |
149 | |
150 | dso__put(dso); | |
6e344a95 NK |
151 | } |
152 | ||
153 | return machine; | |
154 | ||
155 | out: | |
156 | pr_debug("Not enough memory for machine setup\n"); | |
157 | machine__delete_threads(machine); | |
6e344a95 NK |
158 | return NULL; |
159 | } | |
4e754e1c NK |
160 | |
161 | void print_hists_in(struct hists *hists) | |
162 | { | |
163 | int i = 0; | |
164 | struct rb_root *root; | |
165 | struct rb_node *node; | |
166 | ||
52225036 | 167 | if (hists__has(hists, need_collapse)) |
4e754e1c NK |
168 | root = &hists->entries_collapsed; |
169 | else | |
170 | root = hists->entries_in; | |
171 | ||
172 | pr_info("----- %s --------\n", __func__); | |
173 | node = rb_first(root); | |
174 | while (node) { | |
175 | struct hist_entry *he; | |
176 | ||
177 | he = rb_entry(node, struct hist_entry, rb_node_in); | |
178 | ||
179 | if (!he->filtered) { | |
180 | pr_info("%2d: entry: %-8s [%-8s] %20s: period = %"PRIu64"\n", | |
181 | i, thread__comm_str(he->thread), | |
182 | he->ms.map->dso->short_name, | |
183 | he->ms.sym->name, he->stat.period); | |
184 | } | |
185 | ||
186 | i++; | |
187 | node = rb_next(node); | |
188 | } | |
189 | } | |
190 | ||
191 | void print_hists_out(struct hists *hists) | |
192 | { | |
193 | int i = 0; | |
194 | struct rb_root *root; | |
195 | struct rb_node *node; | |
196 | ||
197 | root = &hists->entries; | |
198 | ||
199 | pr_info("----- %s --------\n", __func__); | |
200 | node = rb_first(root); | |
201 | while (node) { | |
202 | struct hist_entry *he; | |
203 | ||
204 | he = rb_entry(node, struct hist_entry, rb_node); | |
205 | ||
206 | if (!he->filtered) { | |
0506aecc | 207 | pr_info("%2d: entry: %8s:%5d [%-8s] %20s: period = %"PRIu64"/%"PRIu64"\n", |
f21d1815 | 208 | i, thread__comm_str(he->thread), he->thread->tid, |
4e754e1c | 209 | he->ms.map->dso->short_name, |
0506aecc NK |
210 | he->ms.sym->name, he->stat.period, |
211 | he->stat_acc ? he->stat_acc->period : 0); | |
4e754e1c NK |
212 | } |
213 | ||
214 | i++; | |
215 | node = rb_next(node); | |
216 | } | |
217 | } |