diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 11 | ||||
| -rw-r--r-- | Documentation/lockstat.txt | 51 | ||||
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 2 |
3 files changed, 42 insertions, 22 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e0f346d201ed..c9115c1b672c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -220,14 +220,17 @@ and is between 256 and 4096 characters. It is defined in the file Bits in debug_level correspond to a level in ACPI_DEBUG_PRINT statements, e.g., ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... - See Documentation/acpi/debug.txt for more information - about debug layers and levels. + The debug_level mask defaults to "info". See + Documentation/acpi/debug.txt for more information about + debug layers and levels. + Enable processor driver info messages: + acpi.debug_layer=0x20000000 + Enable PCI/PCI interrupt routing info messages: + acpi.debug_layer=0x400000 Enable AML "Debug" output, i.e., stores to the Debug object while interpreting AML: acpi.debug_layer=0xffffffff acpi.debug_level=0x2 - Enable PCI/PCI interrupt routing info messages: - acpi.debug_layer=0x400000 acpi.debug_level=0x4 Enable all messages related to ACPI hardware: acpi.debug_layer=0x2 acpi.debug_level=0xffffffff diff --git a/Documentation/lockstat.txt b/Documentation/lockstat.txt index 4ba4664ce5c3..9cb9138f7a79 100644 --- a/Documentation/lockstat.txt +++ b/Documentation/lockstat.txt @@ -71,35 +71,50 @@ Look at the current lock statistics: # less /proc/lock_stat -01 lock_stat version 0.2 +01 lock_stat version 0.3 02 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 03 class name con-bounces contentions waittime-min waittime-max waittime-total acq-bounces acquisitions holdtime-min holdtime-max holdtime-total 04 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 05 -06 &inode->i_data.tree_lock-W: 15 21657 0.18 1093295.30 11547131054.85 58 10415 0.16 87.51 6387.60 -07 &inode->i_data.tree_lock-R: 0 0 0.00 0.00 0.00 23302 231198 0.25 8.45 98023.38 -08 -------------------------- -09 &inode->i_data.tree_lock 0 [<ffffffff8027c08f>] add_to_page_cache+0x5f/0x190 -10 -11 ............................................................................................................................................................................................... -12 -13 dcache_lock: 1037 1161 0.38 45.32 774.51 6611 243371 0.15 306.48 77387.24 -14 ----------- -15 dcache_lock 180 [<ffffffff802c0d7e>] sys_getcwd+0x11e/0x230 -16 dcache_lock 165 [<ffffffff802c002a>] d_alloc+0x15a/0x210 -17 dcache_lock 33 [<ffffffff8035818d>] _atomic_dec_and_lock+0x4d/0x70 -18 dcache_lock 1 [<ffffffff802beef8>] shrink_dcache_parent+0x18/0x130 +06 &mm->mmap_sem-W: 233 538 18446744073708 22924.27 607243.51 1342 45806 1.71 8595.89 1180582.34 +07 &mm->mmap_sem-R: 205 587 18446744073708 28403.36 731975.00 1940 412426 0.58 187825.45 6307502.88 +08 --------------- +09 &mm->mmap_sem 487 [<ffffffff8053491f>] do_page_fault+0x466/0x928 +10 &mm->mmap_sem 179 [<ffffffff802a6200>] sys_mprotect+0xcd/0x21d +11 &mm->mmap_sem 279 [<ffffffff80210a57>] sys_mmap+0x75/0xce +12 &mm->mmap_sem 76 [<ffffffff802a490b>] sys_munmap+0x32/0x59 +13 --------------- +14 &mm->mmap_sem 270 [<ffffffff80210a57>] sys_mmap+0x75/0xce +15 &mm->mmap_sem 431 [<ffffffff8053491f>] do_page_fault+0x466/0x928 +16 &mm->mmap_sem 138 [<ffffffff802a490b>] sys_munmap+0x32/0x59 +17 &mm->mmap_sem 145 [<ffffffff802a6200>] sys_mprotect+0xcd/0x21d +18 +19 ............................................................................................................................................................................................... +20 +21 dcache_lock: 621 623 0.52 118.26 1053.02 6745 91930 0.29 316.29 118423.41 +22 ----------- +23 dcache_lock 179 [<ffffffff80378274>] _atomic_dec_and_lock+0x34/0x54 +24 dcache_lock 113 [<ffffffff802cc17b>] d_alloc+0x19a/0x1eb +25 dcache_lock 99 [<ffffffff802ca0dc>] d_rehash+0x1b/0x44 +26 dcache_lock 104 [<ffffffff802cbca0>] d_instantiate+0x36/0x8a +27 ----------- +28 dcache_lock 192 [<ffffffff80378274>] _atomic_dec_and_lock+0x34/0x54 +29 dcache_lock 98 [<ffffffff802ca0dc>] d_rehash+0x1b/0x44 +30 dcache_lock 72 [<ffffffff802cc17b>] d_alloc+0x19a/0x1eb +31 dcache_lock 112 [<ffffffff802cbca0>] d_instantiate+0x36/0x8a This excerpt shows the first two lock class statistics. Line 01 shows the output version - each time the format changes this will be updated. Line 02-04 -show the header with column descriptions. Lines 05-10 and 13-18 show the actual +show the header with column descriptions. Lines 05-18 and 20-31 show the actual statistics. These statistics come in two parts; the actual stats separated by a -short separator (line 08, 14) from the contention points. +short separator (line 08, 13) from the contention points. -The first lock (05-10) is a read/write lock, and shows two lines above the +The first lock (05-18) is a read/write lock, and shows two lines above the short separator. The contention points don't match the column descriptors, -they have two: contentions and [<IP>] symbol. +they have two: contentions and [<IP>] symbol. The second set of contention +points are the points we're contending with. +The integer part of the time values is in us. View the top contending locks: diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 3cd2ad958176..394d7d378dc7 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1063,6 +1063,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. STAC9227/9228/9229/927x ref Reference board + ref-no-jd Reference board without HP/Mic jack detection 3stack D965 3stack 5stack D965 5stack + SPDIF dell-3stack Dell Dimension E520 @@ -1076,6 +1077,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. STAC92HD73* ref Reference board + no-jd BIOS setup but without jack-detection dell-m6-amic Dell desktops/laptops with analog mics dell-m6-dmic Dell desktops/laptops with digital mics dell-m6 Dell desktops/laptops with both type of mics |