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/Linux-v5.10/tools/perf/pmu-events/arch/s390/cf_z13/
Dextended.json6 "BriefDescription": "L1D Read-only Exclusive Writes",
13 "BriefDescription": "DTLB1 Writes",
27 "BriefDescription": "DTLB1 One-Megabyte Page Writes",
34 "BriefDescription": "DTLB1 Two-Gigabyte Page Writes",
41 "BriefDescription": "L1D L2D Sourced Writes",
48 "BriefDescription": "ITLB1 Writes",
62 "BriefDescription": "L1I L2I Sourced Writes",
69 "BriefDescription": "TLB2 PTE Writes",
76 "BriefDescription": "TLB2 CRSTE One-Megabyte Page Writes",
83 "BriefDescription": "TLB2 CRSTE Writes",
[all …]
Dbasic.json20 "BriefDescription": "L1I Directory Writes",
34 "BriefDescription": "L1D Directory Writes",
62 "BriefDescription": "Problem-State L1I Directory Writes",
76 "BriefDescription": "Problem-State L1D Directory Writes",
/Linux-v5.10/tools/perf/pmu-events/arch/s390/cf_z14/
Dextended.json6 "BriefDescription": "L1D Read-only Exclusive Writes",
13 "BriefDescription": "DTLB2 Writes",
27 "BriefDescription": "DTLB2 One-Megabyte Page Writes",
34 "BriefDescription": "DTLB2 Two-Gigabyte Page Writes",
41 "BriefDescription": "L1D L2D Sourced Writes",
48 "BriefDescription": "ITLB2 Writes",
62 "BriefDescription": "L1I L2I Sourced Writes",
69 "BriefDescription": "TLB2 PTE Writes",
76 "BriefDescription": "TLB2 CRSTE Writes",
111 "BriefDescription": "L1D On-Chip L3 Sourced Writes",
[all …]
/Linux-v5.10/tools/perf/pmu-events/arch/s390/cf_zec12/
Dextended.json20 "BriefDescription": "L1D L2I Sourced Writes",
27 "BriefDescription": "L1I L2I Sourced Writes",
34 "BriefDescription": "L1D L2D Sourced Writes",
41 "BriefDescription": "DTLB1 Writes",
48 "BriefDescription": "L1D Local Memory Sourced Writes",
55 "BriefDescription": "L1I Local Memory Sourced Writes",
62 "BriefDescription": "L1D Read-only Exclusive Writes",
69 "BriefDescription": "DTLB1 One-Megabyte Page Writes",
76 "BriefDescription": "ITLB1 Writes",
83 "BriefDescription": "TLB2 PTE Writes",
[all …]
/Linux-v5.10/tools/perf/pmu-events/arch/s390/cf_z196/
Dextended.json6 "BriefDescription": "L1D L2 Sourced Writes",
13 "BriefDescription": "L1I L2 Sourced Writes",
41 "BriefDescription": "L1D Off-Book L3 Sourced Writes",
48 "BriefDescription": "L1D On-Book L4 Sourced Writes",
55 "BriefDescription": "L1I On-Book L4 Sourced Writes",
62 "BriefDescription": "L1D Read-only Exclusive Writes",
69 "BriefDescription": "L1D Off-Book L4 Sourced Writes",
76 "BriefDescription": "L1I Off-Book L4 Sourced Writes",
83 "BriefDescription": "DTLB1 One-Megabyte Page Writes",
90 "BriefDescription": "L1D Local Memory Sourced Writes",
[all …]
/Linux-v5.10/tools/perf/pmu-events/arch/s390/cf_z15/
Dextended.json6 "BriefDescription": "L1D Read-only Exclusive Writes",
13 "BriefDescription": "DTLB2 Writes",
27 "BriefDescription": "DTLB2 One-Megabyte Page Writes",
34 "BriefDescription": "DTLB2 Two-Gigabyte Page Writes",
41 "BriefDescription": "L1D L2D Sourced Writes",
48 "BriefDescription": "ITLB2 Writes",
62 "BriefDescription": "L1I L2I Sourced Writes",
69 "BriefDescription": "TLB2 PTE Writes",
76 "BriefDescription": "TLB2 CRSTE Writes",
111 "BriefDescription": "L1D On-Chip L3 Sourced Writes",
[all …]
/Linux-v5.10/tools/perf/pmu-events/arch/s390/cf_z10/
Dextended.json6 "BriefDescription": "L1I L2 Sourced Writes",
13 "BriefDescription": "L1D L2 Sourced Writes",
20 "BriefDescription": "L1I L3 Local Writes",
27 "BriefDescription": "L1D L3 Local Writes",
34 "BriefDescription": "L1I L3 Remote Writes",
41 "BriefDescription": "L1D L3 Remote Writes",
48 "BriefDescription": "L1D Local Memory Sourced Writes",
55 "BriefDescription": "L1I Local Memory Sourced Writes",
62 "BriefDescription": "L1D Read-only Exclusive Writes",
76 "BriefDescription": "ITLB1 Writes",
[all …]
Dbasic.json20 "BriefDescription": "L1I Directory Writes",
34 "BriefDescription": "L1D Directory Writes",
62 "BriefDescription": "Problem-State L1I Directory Writes",
76 "BriefDescription": "Problem-State L1D Directory Writes",
/Linux-v5.10/tools/perf/scripts/perl/
Drw-by-pid.pl22 my %writes;
58 $writes{$common_pid}{errors}{$ret}++;
68 $writes{$common_pid}{bytes_written} += $count;
69 $writes{$common_pid}{total_writes}++;
70 $writes{$common_pid}{comm} = $common_comm;
119 "# writes", "bytes_written");
123 foreach my $pid (sort { ($writes{$b}{bytes_written} || 0) <=>
124 ($writes{$a}{bytes_written} || 0)} keys %writes) {
125 my $comm = $writes{$pid}{comm} || "";
126 my $total_writes = $writes{$pid}{total_writes} || 0;
[all …]
Drwtop.pl28 my %writes;
75 $writes{$common_pid}{errors}{$ret}++;
87 $writes{$common_pid}{bytes_written} += $count;
88 $writes{$common_pid}{total_writes}++;
89 $writes{$common_pid}{comm} = $common_comm;
156 "# writes", "bytes_written");
160 foreach my $pid (sort { ($writes{$b}{bytes_written} || 0) <=>
161 ($writes{$a}{bytes_written} || 0)} keys %writes) {
162 my $comm = $writes{$pid}{comm} || "";
163 my $total_writes = $writes{$pid}{total_writes} || 0;
[all …]
Drw-by-file.pl26 my %writes;
45 $writes{$fd}{bytes_written} += $count;
46 $writes{$fd}{total_writes}++;
66 printf("%6s %10s %10s\n", "fd", "# writes", "bytes_written");
69 foreach my $fd (sort {$writes{$b}{bytes_written} <=>
70 $writes{$a}{bytes_written}} keys %writes) {
71 my $total_writes = $writes{$fd}{total_writes};
72 my $bytes_written = $writes{$fd}{bytes_written};
/Linux-v5.10/tools/testing/selftests/kvm/x86_64/
Dtsc_msrs_test.c37 /* Guest: writes to MSR_IA32_TSC affect both MSRs. */ in guest_code()
43 /* Guest: writes to MSR_IA32_TSC_ADJUST affect both MSRs. */ in guest_code()
56 * Guest: writes to MSR_IA32_TSC_ADJUST do not destroy the in guest_code()
66 * Guest: writes to MSR_IA32_TSC affect both MSRs, so the host-side in guest_code()
116 /* Guest: writes to MSR_IA32_TSC affect both MSRs. */ in main()
122 /* Guest: writes to MSR_IA32_TSC_ADJUST affect both MSRs. */ in main()
129 * Host: writes to MSR_IA32_TSC set the host-side offset in main()
137 /* Host: writes to MSR_IA32_TSC_ADJUST do not modify the TSC. */ in main()
148 * Guest: writes to MSR_IA32_TSC_ADJUST do not destroy the in main()
157 * Guest: writes to MSR_IA32_TSC affect both MSRs, so the host-side in main()
/Linux-v5.10/include/dt-bindings/memory/
Dtegra186-mc.h129 /* PCIE writes */
131 /* High-definition audio (HDA) writes */
133 /* Writes from Cortex-A9 4 CPU cores via the L2 cache */
135 /* SATA writes */
145 /* XUSB_HOST writes */
149 /* XUSB_DEV writes */
157 /* 3D, ltcx writes instance 0 */
183 /* Audio Processing (APE) engine writes */
193 /* ETR writes */
201 /* 3D, ltcx writes instance 1 */
/Linux-v5.10/Documentation/driver-api/md/
Draid5-cache.rst19 In both modes, all writes to the array will hit cache disk first. This means
28 disks and it's possible the writes don't hit all RAID disks yet before the
53 write. For non-full-stripe writes, MD must read old data before the new parity
54 can be calculated. These synchronous reads hurt write throughput. Some writes
90 order in which MD writes data to cache disk and RAID disks. Specifically, in
91 write-through mode, MD calculates parity for IO data, writes both IO data and
92 parity to the log, writes the data and parity to RAID disks after the data and
96 In write-back mode, MD writes IO data to the log and reports IO completion. The
110 they are discarded too. MD then loads valid data and writes them to RAID disks
/Linux-v5.10/Documentation/ABI/testing/
Dsysfs-block-bcache55 Sum of all reads and writes that have bypassed the cache (due
64 writes will be buffered in the cache. When off, caching is in
65 writethrough mode; reads and writes will be added to the
74 used to buffer writes until it is mostly full, at which point
75 writes transparently revert to writethrough mode. Intended only
94 place and reducing total number of writes sent to the backing
102 switched on and off. In synchronous mode all writes are ordered
104 if disabled bcache will not generally wait for writes to
156 For a cache, sum of all btree writes in human readable units.
/Linux-v5.10/Documentation/driver-api/
Dio_ordering.rst2 Ordering I/O writes to memory-mapped addresses
6 platforms, driver writers are responsible for ensuring that I/O writes to
9 chipset to flush pending writes to the device before any reads are posted. A
12 subsequent writes to I/O space arrived only after all prior writes (much like a
50 pending writes before actually posting the read to the chipset, preventing
/Linux-v5.10/tools/perf/pmu-events/arch/x86/skylake/
Dcache.json1811 "PublicDescription": "Counts all demand data writes (RFOs)",
1819 "BriefDescription": "Counts all demand data writes (RFOs)",
1824 "PublicDescription": "Counts all demand data writes (RFOs)",
1832 "BriefDescription": "Counts all demand data writes (RFOs)",
1837 "PublicDescription": "Counts all demand data writes (RFOs)",
1845 "BriefDescription": "Counts all demand data writes (RFOs)",
1850 "PublicDescription": "Counts all demand data writes (RFOs)",
1858 "BriefDescription": "Counts all demand data writes (RFOs)",
1863 "PublicDescription": "Counts all demand data writes (RFOs)",
1871 "BriefDescription": "Counts all demand data writes (RFOs)",
[all …]
Dmemory.json18 …sactional abort was signaled due to a data capacity limitation for transactional reads or writes.",
1033 "PublicDescription": "Counts all demand data writes (RFOs)",
1041 "BriefDescription": "Counts all demand data writes (RFOs)",
1046 "PublicDescription": "Counts all demand data writes (RFOs)",
1054 "BriefDescription": "Counts all demand data writes (RFOs)",
1059 "PublicDescription": "Counts all demand data writes (RFOs)",
1067 "BriefDescription": "Counts all demand data writes (RFOs)",
1072 "PublicDescription": "Counts all demand data writes (RFOs)",
1080 "BriefDescription": "Counts all demand data writes (RFOs)",
1085 "PublicDescription": "Counts all demand data writes (RFOs)",
[all …]
/Linux-v5.10/Documentation/admin-guide/
Diostats.rst68 Field 2 -- # of reads merged, field 6 -- # of writes merged (unsigned long)
69 Reads and writes which are adjacent to each other may be merged for
81 Field 5 -- # of writes completed (unsigned long)
82 This is the total number of writes completed successfully.
84 Field 6 -- # of writes merged (unsigned long)
91 This is the total number of milliseconds spent by all writes (as
168 Field 3 -- # of writes issued
169 This is the total number of writes issued to this partition.
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
[all …]
/Linux-v5.10/Documentation/filesystems/
Dfuse-io.rst17 In direct-io mode the page cache is completely bypassed for reads and writes.
22 after any writes to the file. All mmap modes are supported.
24 The cached mode has two sub modes controlling how writes are handled. The
31 uncached, but fully written pages). No READ requests are ever sent for writes,
34 In writeback-cache mode (enabled by the FUSE_WRITEBACK_CACHE flag) writes go to
/Linux-v5.10/arch/mips/include/asm/vdso/
Dprocessor.h12 * Loongson-3's SFB (Store-Fill-Buffer) may buffer writes indefinitely when a
13 * tight read loop is executed, because reads take priority over writes & the
14 * hardware (incorrectly) doesn't ensure that writes will eventually occur.
17 * flush from cpu_relax() such that any pending writes will become visible as
/Linux-v5.10/lib/
DKconfig.kcsan197 bool "Assume that plain aligned writes up to word size are atomic"
200 Assume that plain aligned writes up to word size are atomic by
204 writes up to word size: conflicts between marked reads and plain
205 aligned writes up to word size will not be reported as data races;
206 notice that data races between two conflicting plain aligned writes
214 writes will never be reported as a data race, however, will cause
215 plain reads and marked writes to result in "unknown origin" reports.
221 accesses, conflicting marked atomic reads and plain writes will not
223 due to two conflicting plain writes will be reported (aligned and
/Linux-v5.10/Documentation/admin-guide/device-mapper/
Dlog-writes.rst2 dm-log-writes
24 the FLUSH request completes we log all of the WRITEs and then the FLUSH. Only
25 completed WRITEs, at the time the REQ_PREFLUSH is issued, are added in order to
59 log-writes <dev_path> <log_dev_path>
93 Every log has a mark at the end labeled "dm-log-writes-end".
99 It can be found here: https://github.com/josefbacik/log-writes
107 TABLE="0 $(blockdev --getsz /dev/sdb) log-writes /dev/sdb /dev/sdc"
127 TABLE="0 $(blockdev --getsz /dev/sdb) log-writes /dev/sdb /dev/sdc"
/Linux-v5.10/tools/perf/pmu-events/arch/x86/skylakex/
Duncore-memory.json68 "BriefDescription": "Pre-charge for writes",
112 …writes must be completed by first reading in the underfill from DRAM and then merging in the parti…
150 …ion": "Counts the number of writes requests allocated into the Write Pending Queue (WPQ). The WPQ…
159 …writes out to the memory controller and to track the requests. Requests allocate into the WPQ soo…
/Linux-v5.10/fs/ceph/
Dioctl.h75 * the file open (and or more for write). Reads and writes bypass the
93 * opened with O_SYNC/D_SYNC (writes hit the page cache and are
95 * O_DIRECT (writes bypass the page cache) excep that O_DIRECT writes
96 * are not copied (user page must remain stable) and O_DIRECT writes

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