35 void block_acct_init(BlockAcctStats *stats)  in block_acct_init()  argument
37     qemu_mutex_init(&stats->lock);  in block_acct_init()
41     stats->account_invalid = true;  in block_acct_init()
42     stats->account_failed = true;  in block_acct_init()
59 void block_acct_setup(BlockAcctStats *stats, enum OnOffAuto account_invalid,  in block_acct_setup()  argument
62     stats->account_invalid = bool_from_onoffauto(account_invalid,  in block_acct_setup()
63                                                  stats->account_invalid);  in block_acct_setup()
64     stats->account_failed = bool_from_onoffauto(account_failed,  in block_acct_setup()
65                                                 stats->account_failed);  in block_acct_setup()
68 void block_acct_cleanup(BlockAcctStats *stats)  in block_acct_cleanup()  argument
71     QSLIST_FOREACH_SAFE(s, &stats->intervals, entries, next) {  in block_acct_cleanup()
74     qemu_mutex_destroy(&stats->lock);  in block_acct_cleanup()
77 void block_acct_add_interval(BlockAcctStats *stats, unsigned interval_length)  in block_acct_add_interval()  argument
84     s->stats = stats;  in block_acct_add_interval()
85     qemu_mutex_lock(&stats->lock);  in block_acct_add_interval()
86     QSLIST_INSERT_HEAD(&stats->intervals, s, entries);  in block_acct_add_interval()
92     qemu_mutex_unlock(&stats->lock);  in block_acct_add_interval()
95 BlockAcctTimedStats *block_acct_interval_next(BlockAcctStats *stats,  in block_acct_interval_next()  argument
99         return QSLIST_FIRST(&stats->intervals);  in block_acct_interval_next()
105 void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,  in block_acct_start()  argument
159 int block_latency_histogram_set(BlockAcctStats *stats, enum BlockAcctType type,  in block_latency_histogram_set()  argument
162     BlockLatencyHistogram *hist = &stats->latency_histogram[type];  in block_latency_histogram_set()
191 void block_latency_histograms_clear(BlockAcctStats *stats)  in block_latency_histograms_clear()  argument
196         BlockLatencyHistogram *hist = &stats->latency_histogram[i];  in block_latency_histograms_clear()
203 static void block_account_one_io(BlockAcctStats *stats, BlockAcctCookie *cookie,  in block_account_one_io()  argument
220     WITH_QEMU_LOCK_GUARD(&stats->lock) {  in block_account_one_io()
222             stats->failed_ops[cookie->type]++;  in block_account_one_io()
224             stats->nr_bytes[cookie->type] += cookie->bytes;  in block_account_one_io()
225             stats->nr_ops[cookie->type]++;  in block_account_one_io()
228         block_latency_histogram_account(&stats->latency_histogram[cookie->type],  in block_account_one_io()
231         if (!failed || stats->account_failed) {  in block_account_one_io()
232             stats->total_time_ns[cookie->type] += latency_ns;  in block_account_one_io()
233             stats->last_access_time_ns = time_ns;  in block_account_one_io()
235             QSLIST_FOREACH(s, &stats->intervals, entries) {  in block_account_one_io()
244 void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie)  in block_acct_done()  argument
246     block_account_one_io(stats, cookie, false);  in block_acct_done()
249 void block_acct_failed(BlockAcctStats *stats, BlockAcctCookie *cookie)  in block_acct_failed()  argument
251     block_account_one_io(stats, cookie, true);  in block_acct_failed()
254 void block_acct_invalid(BlockAcctStats *stats, enum BlockAcctType type)  in block_acct_invalid()  argument
262     qemu_mutex_lock(&stats->lock);  in block_acct_invalid()
263     stats->invalid_ops[type]++;  in block_acct_invalid()
265     if (stats->account_invalid) {  in block_acct_invalid()
266         stats->last_access_time_ns = qemu_clock_get_ns(clock_type);  in block_acct_invalid()
268     qemu_mutex_unlock(&stats->lock);  in block_acct_invalid()
271 void block_acct_merge_done(BlockAcctStats *stats, enum BlockAcctType type,  in block_acct_merge_done()  argument
276     qemu_mutex_lock(&stats->lock);  in block_acct_merge_done()
277     stats->merged[type] += num_requests;  in block_acct_merge_done()
278     qemu_mutex_unlock(&stats->lock);  in block_acct_merge_done()
281 int64_t block_acct_idle_time_ns(BlockAcctStats *stats)  in block_acct_idle_time_ns()  argument
283     return qemu_clock_get_ns(clock_type) - stats->last_access_time_ns;  in block_acct_idle_time_ns()
286 double block_acct_queue_depth(BlockAcctTimedStats *stats,  in block_acct_queue_depth()  argument
293     qemu_mutex_lock(&stats->stats->lock);  in block_acct_queue_depth()
294     sum = timed_average_sum(&stats->latency[type], &elapsed);  in block_acct_queue_depth()
295     qemu_mutex_unlock(&stats->stats->lock);  in block_acct_queue_depth()