| /linux/tools/perf/scripts/perl/ |
| H A D | rw-by-pid.pl | 21 my %reads;
31 $reads{$common_pid}{bytes_read} += $ret;
33 if (!defined ($reads{$common_pid}{bytes_read})) {
34 $reads{$common_pid}{bytes_read} = 0;
36 $reads{$common_pid}{errors}{$ret}++;
46 $reads{$common_pid}{bytes_requested} += $count;
47 $reads{$common_pid}{total_reads}++;
48 $reads{$common_pid}{comm} = $common_comm;
82 foreach my $pid (sort { ($reads{$b}{bytes_read} || 0) <=>
83 ($reads{$a}{bytes_read} || 0) } keys %reads) {
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| H A D | rwtop.pl | 27 my %reads;
44 $reads{$common_pid}{bytes_read} += $ret;
46 if (!defined ($reads{$common_pid}{bytes_read})) {
47 $reads{$common_pid}{bytes_read} = 0;
49 $reads{$common_pid}{errors}{$ret}++;
61 $reads{$common_pid}{bytes_requested} += $count;
62 $reads{$common_pid}{total_reads}++;
63 $reads{$common_pid}{comm} = $common_comm;
136 foreach my $pid (sort { ($reads{$b}{bytes_read} || 0) <=>
137 ($reads{$a}{bytes_read} || 0) } keys %reads) {
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| H A D | rw-by-file.pl | 25 my %reads;
34 $reads{$fd}{bytes_requested} += $count;
35 $reads{$fd}{total_reads}++;
57 foreach my $fd (sort {$reads{$b}{bytes_requested} <=>
58 $reads{$a}{bytes_requested}} keys %reads) {
59 my $total_reads = $reads{$fd}{total_reads};
60 my $bytes_requested = $reads{$fd}{bytes_requested};
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| /linux/drivers/gpu/drm/nouveau/nvif/ |
| H A D | timer.c | 30 if (wait->reads == 0) { in nvif_timer_wait_test()
36 if (WARN_ON(wait->reads++ == 16)) in nvif_timer_wait_test()
40 wait->reads = 1; in nvif_timer_wait_test()
55 wait->reads = 0; in nvif_timer_wait_init()
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| /linux/drivers/input/touchscreen/ |
| H A D | mainstone-wm97xx.c | 38 u8 reads; /* number of coord reads per read cycle */ member
118 int reads = 0; in wm97xx_acc_pen_down() local
140 if (reads) in wm97xx_acc_pen_down()
162 reads++; in wm97xx_acc_pen_down()
163 } while (reads < cinfo[sp_idx].reads); in wm97xx_acc_pen_down()
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-fs-erofs | 15 synchronous reads and small asynchronous reads (<= 12 KiB):
17 - 0 (auto, default): apply to synchronous reads only, but will
20 - 1 (force on): apply to synchronous reads and small
21 asynchronous reads;
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| H A D | procfs-diskstats | 13 4 reads completed successfully
14 5 reads merged
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| H A D | sysfs-devices-platform-docg3 | 9 The protection has information embedded whether it blocks reads,
26 The protection has information embedded whether it blocks reads,
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| /linux/tools/memory-model/Documentation/ |
| H A D | glossary.txt | 36 to that same variable, (in other words, the acquire load "reads
52 See also "From-reads" and "Reads-from".
107 load from that same variable, there is said to be a from-reads
110 It is also possible to have a from-reads link within a CPU, which
111 is a "from-reads internal" (fri) link. The term "from-reads
138 smp_store_release() pairs with an smp_load_acquire() that reads
144 CPU, there is said to be a reads-from link from the second
147 which means that algorithms using reads-from links can use lighter
149 coherence and from-reads links.
151 It is also possible to have a reads-from link within a CPU, which
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| H A D | access-marking.txt | 73 2. Data-racy reads whose values are checked against marked reload.
84 values are ignored, and other situations where reads from shared variables
88 reads can enable better checking of the remaining accesses implementing
90 prevents any non-diagnostic reads from shared variable x from running
92 to x allows KCSAN to detect reads from x from within regions of code
94 data_race() for the diagnostic reads because otherwise KCSAN would give
95 false-positive warnings about these diagnostic reads.
109 The values from some reads are not implicitly trusted. They are instead
133 Values from some reads feed into heuristics that can tolerate occasional
134 errors. Such reads can use data_race(), thus allowing KCSAN to focus on
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| /linux/Documentation/admin-guide/ |
| H A D | iostats.rst | 42 Field 1 -- # of reads completed (unsigned long)
43 This is the total number of reads completed successfully.
45 Field 2 -- # of reads merged, field 6 -- # of writes merged (unsigned long)
47 efficiency. Thus two 4K reads may become one 8K read before it is
55 This is the total number of milliseconds spent by all reads (as
138 Field 1 -- # of reads issued
139 This is the total number of reads issued to this partition.
155 words, the number of reads for partitions is counted slightly before time
160 reads/writes before merges for partitions and after for disks. Since a
162 the number of reads/writes issued can be several times higher than the
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| /linux/drivers/gpu/drm/nouveau/nvkm/subdev/timer/ |
| H A D | base.c | 32 if (wait->reads == 0) { in nvkm_timer_wait_test()
38 if (wait->reads++ == 16) { in nvkm_timer_wait_test()
44 wait->reads = 1; in nvkm_timer_wait_test()
59 wait->reads = 0; in nvkm_timer_wait_init()
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| /linux/tools/memory-model/litmus-tests/ |
| H A D | README | 7 successive reads from the same variable are ordered.
24 Test of independent reads from independent writes with smp_mb()
25 between each pairs of reads. In other words, is smp_mb()
32 Test of independent reads from independent writes with nothing
33 between each pairs of reads. In other words, is anything at all
54 load-buffering litmus test, where each process reads from one
59 litmus test, where each process reads from one of two variables then
104 process writes data and then a flag, and the other process reads
183 the other process reads from these same variables, the corresponding
217 reads-from link (rf) and internal to the P0() process. This is
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| H A D | Z6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus | 7 * when there is but one non-reads-from (AKA non-rf) link, does not suffice
8 * if there is more than one. Of the three processes, only P1() reads from
11 * to P0() is a read-to-write link (AKA a "from-reads" or just "fr" link).
|
| H A D | IRIW+poonceonces+OnceOnce.litmus | 6 * Test of independent reads from independent writes with nothing
7 * between each pairs of reads. In other words, is anything at all
|
| H A D | IRIW+fencembonceonces+OnceOnce.litmus | 6 * Test of independent reads from independent writes with smp_mb()
7 * between each pairs of reads. In other words, is smp_mb() sufficient to
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| H A D | ISA2+pooncerelease+poacquirerelease+poacquireonce.litmus | 9 * case (P2() to P0()), each process reads from the preceding process's
10 * write. In memory-model-speak, there is only one non-reads-from
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| /linux/arch/riscv/include/asm/ |
| H A D | io.h | 98 __io_reads_ins(reads, u8, b, __io_br(), __io_ar(addr))
99 __io_reads_ins(reads, u16, w, __io_br(), __io_ar(addr))
100 __io_reads_ins(reads, u32, l, __io_br(), __io_ar(addr))
127 __io_reads_ins(reads, u64, q, __io_br(), __io_ar(addr))
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | delay.rst | 5 Device-Mapper's "delay" target delays reads and/or writes
43 # splitting reads to device $1 but writes and flushes to different device $2
51 # Create mapped device delaying reads for 50ms, writes for 100ms and flushes for 333ms
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| /linux/Documentation/block/ |
| H A D | kyber-iosched.rst | 6 reads and synchronous writes. Kyber will throttle requests in order to meet
11 Target latency for reads (in nanoseconds).
|
| H A D | deadline-iosched.rst | 50 device dispatch queue, we always give a preference to reads. However, we
52 how many times we give preference to reads over writes. When that has been
54 same criteria as reads.
|
| /linux/tools/perf/Documentation/ |
| H A D | guest-files.txt | 4 Guest OS /proc/kallsyms file copy. perf reads it to get guest
8 Guest OS /proc/modules file copy. perf reads it to get guest
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| /linux/Documentation/iio/ |
| H A D | iio_tools.rst | 14 * iio_event_monitor: example application that reads events from an IIO device
16 * iio_generic_buffer: example application that reads data from buffer
|
| /linux/drivers/input/joystick/ |
| H A D | guillemot.c | 51 int reads; member
109 guillemot->reads++; in guillemot_poll()
249 …printk(KERN_INFO "guillemot.c: Failed %d reads out of %d on %s\n", guillemot->reads, guillemot->ba… in guillemot_disconnect()
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| /linux/drivers/md/ |
| H A D | dm-raid1.c | 65 struct bio_list reads; member
132 bl = (rw == WRITE) ? &ms->writes : &ms->reads; in queue_bio()
566 static void do_reads(struct mirror_set *ms, struct bio_list *reads) in do_reads() argument
572 while ((bio = bio_list_pop(reads))) { in do_reads()
863 struct bio_list reads, writes, failures; in do_mirror() local
867 reads = ms->reads; in do_mirror()
870 bio_list_init(&ms->reads); in do_mirror()
877 do_reads(ms, &reads); in do_mirror()
901 bio_list_init(&ms->reads); in alloc_context()
|