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/linux/tools/perf/scripts/perl/
A Drw-by-pid.pl21 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}++;
47 $reads{$common_pid}{total_reads}++;
48 $reads{$common_pid}{comm} = $common_comm;
83 ($reads{$a}{bytes_read} || 0) } keys %reads) {
84 my $comm = $reads{$pid}{comm} || "";
101 foreach my $pid (keys %reads) {
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A Drwtop.pl27 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}++;
62 $reads{$common_pid}{total_reads}++;
63 $reads{$common_pid}{comm} = $common_comm;
137 ($reads{$a}{bytes_read} || 0) } keys %reads) {
138 my $comm = $reads{$pid}{comm} || "";
141 my $bytes_read = $reads{$pid}{bytes_read} || 0;
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A Drw-by-file.pl25 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};
/linux/drivers/gpu/drm/nouveau/nvif/
A Dtimer.c30 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()
/linux/drivers/input/touchscreen/
A Dzylonite-wm97xx.c33 u8 reads; /* number of coord reads per read cycle */ member
89 int reads = 0; in wm97xx_acc_pen_down() local
111 if (reads) in wm97xx_acc_pen_down()
133 reads++; in wm97xx_acc_pen_down()
134 } while (reads < cinfo[sp_idx].reads); in wm97xx_acc_pen_down()
A Dmainstone-wm97xx.c37 u8 reads; /* number of coord reads per read cycle */ member
123 int reads = 0; in wm97xx_acc_pen_down() local
144 if (reads) in wm97xx_acc_pen_down()
166 reads++; in wm97xx_acc_pen_down()
167 } while (reads < cinfo[sp_idx].reads); in wm97xx_acc_pen_down()
/linux/tools/io_uring/
A Dio_uring-cp.c125 unsigned long reads, writes; in copy_file() local
131 writes = reads = offset = 0; in copy_file()
139 had_reads = reads; in copy_file()
143 if (reads + writes >= QD) in copy_file()
155 reads++; in copy_file()
158 if (had_reads != reads) { in copy_file()
218 reads--; in copy_file()
/linux/tools/memory-model/Documentation/
A Dglossary.txt36 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
149 coherence and from-reads links.
151 It is also possible to have a reads-from link within a CPU, which
152 is a "reads-from internal" (rfi) link. The term "reads-from
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A Daccess-marking.txt67 2. Data-racy reads whose values are checked against marked reload.
82 reads can enable better checking of the remaining accesses implementing
84 prevents any non-diagnostic reads from shared variable x from running
86 to x allows KCSAN to detect reads from x from within regions of code
88 data_race() for the diagnostic reads because otherwise KCSAN would give
89 false-positive warnings about these diagnostic reads.
103 The values from some reads are not implicitly trusted. They are instead
127 Values from some reads feed into heuristics that can tolerate occasional
152 due to compiler-mangled reads, it can also tolerate the occasional
467 flag any concurrent plain C-language reads from foo, and given
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/linux/Documentation/admin-guide/device-mapper/
A Ddelay.rst5 Device-Mapper's "delay" target delays reads and/or writes
13 With separate write parameters, the first set is only used for reads.
30 # splitting reads and writes to different devices $1 $2
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/timer/
A Dbase.c32 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()
/linux/tools/memory-model/litmus-tests/
A DREADME7 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
96 process writes data and then a flag, and the other process reads
209 reads-from link (rf) and internal to the P0() process. This is
210 "rfi", which is an abbreviation for "reads-from internal". Because
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A DZ6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus7 * 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).
A DIRIW+poonceonces+OnceOnce.litmus6 * Test of independent reads from independent writes with nothing
7 * between each pairs of reads. In other words, is anything at all
A DIRIW+fencembonceonces+OnceOnce.litmus6 * Test of independent reads from independent writes with smp_mb()
7 * between each pairs of reads. In other words, is smp_mb() sufficient to
A DISA2+pooncerelease+poacquirerelease+poacquireonce.litmus9 * 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
/linux/arch/riscv/include/asm/
A Dio.h94 __io_reads_ins(reads, u8, b, __io_br(), __io_ar(addr))
95 __io_reads_ins(reads, u16, w, __io_br(), __io_ar(addr))
96 __io_reads_ins(reads, u32, l, __io_br(), __io_ar(addr))
123 __io_reads_ins(reads, u64, q, __io_br(), __io_ar(addr))
/linux/Documentation/admin-guide/
A Diostats.rst65 Field 1 -- # of reads completed (unsigned long)
66 This is the total number of reads completed successfully.
68 Field 2 -- # of reads merged, field 6 -- # of writes merged (unsigned long)
70 efficiency. Thus two 4K reads may become one 8K read before it is
78 This is the total number of milliseconds spent by all reads (as
161 Field 1 -- # of reads issued
162 This is the total number of reads issued to this partition.
178 words, the number of reads for partitions is counted slightly before time
183 reads/writes before merges for partitions and after for disks. Since a
185 the number of reads/writes issued can be several times higher than the
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/linux/Documentation/block/
A Dkyber-iosched.rst6 reads and synchronous writes. Kyber will throttle requests in order to meet
11 Target latency for reads (in nanoseconds).
A Ddeadline-iosched.rst50 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/lib/traceevent/Documentation/
A Dlibtraceevent-record_parse.txt34 It reads the "common_type" field. The _tep_ argument is the trace event parser
38 It reads the "common_pid" field. The _tep_ argument is the trace event parser
42 record _rec_. It reads the "common_preempt_count" field. The _tep_ argument is
46 It reads the "common_flags" field. The _tep_ argument is the trace event parser
/linux/Documentation/ABI/testing/
A Dprocfs-diskstats13 4 reads completed successfully
14 5 reads merged
A Dsysfs-devices-platform-docg39 The protection has information embedded whether it blocks reads,
26 The protection has information embedded whether it blocks reads,
/linux/drivers/input/joystick/
A Dguillemot.c54 int reads; member
112 guillemot->reads++; in guillemot_poll()
252 …printk(KERN_INFO "guillemot.c: Failed %d reads out of %d on %s\n", guillemot->reads, guillemot->ba… in guillemot_disconnect()
/linux/drivers/md/
A Ddm-raid1.c60 struct bio_list reads; member
127 bl = (rw == WRITE) ? &ms->writes : &ms->reads; in queue_bio()
559 static void do_reads(struct mirror_set *ms, struct bio_list *reads) in do_reads() argument
565 while ((bio = bio_list_pop(reads))) { in do_reads()
854 struct bio_list reads, writes, failures; in do_mirror() local
858 reads = ms->reads; in do_mirror()
861 bio_list_init(&ms->reads); in do_mirror()
868 do_reads(ms, &reads); in do_mirror()
890 bio_list_init(&ms->reads); in alloc_context()

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