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/linux/drivers/media/platform/ti/omap3isp/
H A Disphist.c30 static void hist_reset_mem(struct ispstat *hist) in hist_reset_mem() argument
32 struct isp_device *isp = hist->isp; in hist_reset_mem()
33 struct omap3isp_hist_config *conf = hist->priv; in hist_reset_mem()
56 hist->wait_acc_frames = conf->num_acc_frames; in hist_reset_mem()
62 static void hist_setup_regs(struct ispstat *hist, void *priv) in hist_setup_regs() argument
64 struct isp_device *isp = hist->isp; in hist_setup_regs()
72 if (!hist->update || hist->state == ISPSTAT_DISABLED || in hist_setup_regs()
73 hist->state == ISPSTAT_DISABLING) in hist_setup_regs()
121 hist_reset_mem(hist); in hist_setup_regs()
134 hist->update = 0; in hist_setup_regs()
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/linux/tools/tracing/rtla/src/
H A Dtimerlat_hist.c84 struct timerlat_hist_cpu *hist; member
100 if (data->hist[cpu].irq) in timerlat_free_histogram()
101 free(data->hist[cpu].irq); in timerlat_free_histogram()
103 if (data->hist[cpu].thread) in timerlat_free_histogram()
104 free(data->hist[cpu].thread); in timerlat_free_histogram()
106 if (data->hist[cpu].user) in timerlat_free_histogram()
107 free(data->hist[cpu].user); in timerlat_free_histogram()
112 if (data->hist) in timerlat_free_histogram()
113 free(data->hist); in timerlat_free_histogram()
136 data->hist = calloc(1, sizeof(*data->hist) * nr_cpus); in timerlat_alloc_histogram()
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H A Dosnoise_hist.c61 struct osnoise_hist_cpu *hist; member
77 if (data->hist[cpu].samples) in osnoise_free_histogram()
78 free(data->hist[cpu].samples); in osnoise_free_histogram()
82 if (data->hist) in osnoise_free_histogram()
83 free(data->hist); in osnoise_free_histogram()
105 data->hist = calloc(1, sizeof(*data->hist) * nr_cpus); in osnoise_alloc_histogram()
106 if (!data->hist) in osnoise_alloc_histogram()
110 data->hist[cpu].samples = calloc(1, sizeof(*data->hist->samples) * (entries + 1)); in osnoise_alloc_histogram()
111 if (!data->hist[cpu].samples) in osnoise_alloc_histogram()
117 data->hist[cpu].min_sample = ~0; in osnoise_alloc_histogram()
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H A Dtrace.c361 char *hist; in trace_event_save_hist() local
385 hist = tracefs_event_file_read(instance->inst, tevent->system, tevent->event, "hist", 0); in trace_event_save_hist()
386 if (!hist) { in trace_event_save_hist()
393 index += write(out_fd, &hist[index], strlen(hist) - index); in trace_event_save_hist()
394 } while (index < strlen(hist)); in trace_event_save_hist()
396 free(hist); in trace_event_save_hist()
/linux/include/trace/events/
H A Dnapi.h43 unsigned long now, unsigned long *hist),
45 TP_ARGS(thrs, len, last_reap, hist_head, now, hist),
53 __array( unsigned long, hist, 4)
62 memcpy(__entry->hist, hist, sizeof(entry->hist));
65 TP_printk("thrs %u len %u last_reap %lu hist_head %lu now %lu hist %016lx %016lx %016lx %016lx",
68 __entry->hist[0], __entry->hist[1],
69 __entry->hist[
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/linux/tools/testing/selftests/ftrace/test.d/trigger/
H A Dtrigger-multihist.tc17 grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
19 grep child events/sched/sched_process_fork/hist > /dev/null || \
22 grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
31 grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
38 grep test_hist events/sched/sched_process_exit/hist > /dev/null || \
41 diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
H A Dtrigger-hist.tc16 grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
18 grep child events/sched/sched_process_fork/hist > /dev/null || \
27 grep '^{ parent_pid:.*, child_pid:.*}' events/sched/sched_process_fork/hist > /dev/null || \
37 grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
46 grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]* *}' events/kmem/kmalloc/hist > /dev/nu…
55 …9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]*+0x[0-9a-f][0-9a-f]*' events/kmem/kmalloc/hist > /dev/null || \
73 events/sched/sched_process_fork/hist | cut -d: -f2 ` ||
H A Dtrigger-hist-mod.tc17 grep "common_pid: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
28 grep "parent_pid: $HEX" events/sched/sched_process_fork/hist > /dev/null || \
37 grep "id: \(unknown_\|sys_\)" events/raw_syscalls/sys_exit/hist > /dev/null || \
47 grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
H A Dtrigger-hist-poll.tc21 ${POLL} -I -t 1000 ${EVENT}/hist
38 ${POLL} -I -t 4000 ${EVENT}/hist
60 ${POLL} -P -t 4000 ${EVENT}/hist
H A Dtrigger-trace-marker-synthetic-kernel.tc21 grep 'hitcount: *1$' events/ftrace/print/hist > /dev/null || \
24 grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
H A Dtrigger-trace-marker-synthetic.tc21 cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l`
27 grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
/linux/samples/bpf/
H A Dlathist_user.c37 struct cpu_hist *hist; in print_hist() local
44 hist = &cpu_hist[j]; in print_hist()
47 if (hist->max == 0) in print_hist()
53 stars(starstr, hist->data[i - 1], hist->max, MAX_STARS); in print_hist()
56 hist->data[i - 1], MAX_STARS, starstr); in print_hist()
/linux/tools/perf/util/
H A Dbpf_ftrace.c132 u64 *hist; in perf_ftrace__latency_read_bpf()
137 hist = calloc(ncpus, sizeof(*hist)); in perf_ftrace__latency_read_bpf()
138 if (hist == NULL) in perf_ftrace__latency_read_bpf()
142 err = bpf_map_lookup_elem(fd, &idx, hist); in perf_ftrace__latency_read_bpf()
149 buckets[idx] += hist[i];
159 free(hist);
126 u64 *hist; perf_ftrace__latency_read_bpf() local
/linux/Documentation/tools/rtla/
H A Drtla-timerlat-hist.rst2 rtla-timerlat-hist
12 **rtla timerlat hist** [*OPTIONS*] ...
19 The **rtla timerlat hist** displays a histogram of each tracer event
36 In the example below, **rtla timerlat hist** is set to run for *10* minutes,
38 hist** will change the priority of the *timerlat* threads to run under
43 [root@alien ~]# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1000 --no-aa
H A Drtla-timerlat.rst23 from the *timerlat* tracer. The **rtla hist hist** mode displays a histogram
33 **hist**
49 **rtla-timerlat-top**\(1), **rtla-timerlat-hist**\(1)
H A Drtla-osnoise-hist.rst2 rtla-osnoise-hist
12 **rtla osnoise hist** [*OPTIONS*]
18 The **rtla osnoise hist** tool collects all **osnoise:sample_threshold**
39 [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -E 25
H A Drtla-osnoise.rst24 The **rtla osnoise hist** mode displays information about the noise using
34 **hist**
51 **rtla-osnoise-top**\(1), **rtla-osnoise-hist**\(1)
/linux/Documentation/trace/
H A Dboottime-trace.rst132 action option, there are tree-style options under per-event 'hist' subkey
136 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]keys = KEY1[, KEY2[...]]
141 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]values = VAL1[, VAL2[...]]
144 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]sort = SORT1[, SORT2[...]]
147 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]size = NR_ENTRIES
150 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]name = NAME
153 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]var.VARIABLE = EXPR
156 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]<pause|continue|clear>
159 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]onmatch.[M.]event = GROUP.EVENT
164 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]onmatch.[M.]trace = EVENT[, ARG1[...]]
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H A Dhistogram-design.rst28 of the hist trigger internals described in this document. Specific
38 # echo 'hist:keys=pid' >> events/sched/sched_waking/trigger
40 # cat events/sched/sched_waking/hist
238 Whenever a new event occurs and it has a hist trigger associated with
279 …# echo 'hist:keys=common_pid,call_site.sym:values=bytes_req,bytes_alloc,hitcount' >> events/kmem/k…
298 …# trigger info: hist:keys=common_pid,call_site.sym:vals=hitcount,bytes_req,bytes_alloc:sort=hitcou…
352 …# echo '!hist:keys=common_pid,call_site.sym:values=bytes_req,bytes_alloc,hitcount' >> events/kmem/…
357 Variables allow data from one hist trigger to be saved by one hist
358 trigger and retrieved by another hist trigger. For example, a trigger
364 # echo 'hist:keys=pid:ts0=common_timestamp.usecs' >>
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/linux/tools/perf/util/bpf_skel/
H A Dfunc_latency.bpf.c105 __u64 *hist; in BPF_PROG()
142 hist = bpf_map_lookup_elem(&latency, &key);
143 if (!hist)
146 *hist += 1;
96 __u64 *hist; BPF_PROG() local
/linux/tools/testing/selftests/ftrace/test.d/trigger/inter-event/
H A Dtrigger-field-variable-support.tc19 if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
23 if ! grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then
29 if grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then
/linux/kernel/events/
H A Dhw_breakpoint.c186 bp_slots_histogram_alloc(struct bp_slots_histogram *hist, enum bp_type_idx type) in bp_slots_histogram_alloc() argument
188 hist->count = kcalloc(hw_breakpoint_slots_cached(type), sizeof(*hist->count), GFP_KERNEL); in bp_slots_histogram_alloc()
189 return hist->count; in bp_slots_histogram_alloc()
192 static __init void bp_slots_histogram_free(struct bp_slots_histogram *hist) in bp_slots_histogram_free() argument
194 kfree(hist->count); in bp_slots_histogram_free()
237 bp_slots_histogram_add(struct bp_slots_histogram *hist, int old, int val) in bp_slots_histogram_add() argument
243 WARN_ON(atomic_dec_return_relaxed(&hist->count[old_idx]) < 0); in bp_slots_histogram_add()
245 WARN_ON(atomic_inc_return_relaxed(&hist->count[new_idx]) < 0); in bp_slots_histogram_add()
249 bp_slots_histogram_max(struct bp_slots_histogram *hist, enum bp_type_idx type) in bp_slots_histogram_max() argument
252 const int count = atomic_read(&hist->count[i]); in bp_slots_histogram_max()
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/linux/tools/testing/ktest/examples/bootconfigs/
H A Dboottrace.bconf13 hist {
19 initcall.initcall_start.hist {
23 initcall.initcall_finish.hist {
/linux/arch/parisc/kernel/
H A Dirq.c216 int hist = action->cr16_hist[k]; in show_interrupts() local
218 if (hist) { in show_interrupts()
219 avg += hist; in show_interrupts()
223 if (hist > max) max = hist; in show_interrupts()
224 if (hist < min) min = hist; in show_interrupts()
/linux/lib/zlib_dfltcc/
H A Ddfltcc_util.h36 void *hist in dfltcc() argument
62 , [hist] "r" (hist) in dfltcc()

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