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