summaryrefslogtreecommitdiff
path: root/Documentation/arm
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-12 09:15:26 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-12 09:15:26 +0200
commitfc9104d5d7172d2cb6c672abeb964242aa735b34 (patch)
tree87f8aedceff2d578b073d33791e4696a7aba9185 /Documentation/arm
parentab57f86198d6ff20371613d4a02fd4841972a5c0 (diff)
parent9395452b4aab7bc2475ef8935b4a4fb99d778d70 (diff)
Merge 4.8-rc6 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/arm')
-rw-r--r--Documentation/arm/CCN.txt16
1 files changed, 10 insertions, 6 deletions
diff --git a/Documentation/arm/CCN.txt b/Documentation/arm/CCN.txt
index ffca443a19b4..15cdb7bc57c3 100644
--- a/Documentation/arm/CCN.txt
+++ b/Documentation/arm/CCN.txt
@@ -18,13 +18,17 @@ and config2 fields of the perf_event_attr structure. The "events"
directory provides configuration templates for all documented
events, that can be used with perf tool. For example "xp_valid_flit"
is an equivalent of "type=0x8,event=0x4". Other parameters must be
-explicitly specified. For events originating from device, "node"
-defines its index. All crosspoint events require "xp" (index),
-"port" (device port number) and "vc" (virtual channel ID) and
-"dir" (direction). Watchpoints (special "event" value 0xfe) also
-require comparator values ("cmp_l" and "cmp_h") and "mask", being
-index of the comparator mask.
+explicitly specified.
+For events originating from device, "node" defines its index.
+
+Crosspoint PMU events require "xp" (index), "bus" (bus number)
+and "vc" (virtual channel ID).
+
+Crosspoint watchpoint-based events (special "event" value 0xfe)
+require "xp" and "vc" as as above plus "port" (device port index),
+"dir" (transmit/receive direction), comparator values ("cmp_l"
+and "cmp_h") and "mask", being index of the comparator mask.
Masks are defined separately from the event description
(due to limited number of the config values) in the "cmp_mask"
directory, with first 8 configurable by user and additional