Davidlohr Bueso
ca2270292e
perf util: Use cached rbtree for rblists
...
At the cost of an extra pointer, we can avoid the O(logN) cost of
finding the first element in the tree (smallest node), which is
something required for any of the strlist or intlist traversals
(XXX_for_each_entry()). There are a number of users in perf of these
(particularly strlists), including probes, and buildid.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de >
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com >
Cc: Jiri Olsa <jolsa@kernel.org >
Cc: Namhyung Kim <namhyung@kernel.org >
Link: http://lkml.kernel.org/r/20181206191819.30182-5-dave@stgolabs.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2019-01-25 15:12:10 +01:00
Jin Yao
33fec3e393
perf rblist: Create rblist__exit() function
...
Currently we have a rblist__delete() which is used to delete a rblist.
While rblist__delete() will free the pointer of rblist at the end.
It's an inconvenience for the user to delete a rblist which is not
allocated by something like malloc(). For example, the rblist is
embedded in a larger data structure.
This patch creates a new function rblist__exit() which is similar to
rblist__delete() but it will not free the pointer of rblist.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com >
Acked-by: Jiri Olsa <jolsa@kernel.org >
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com >
Cc: Andi Kleen <ak@linux.intel.com >
Cc: Kan Liang <kan.liang@intel.com >
Cc: Peter Zijlstra <peterz@infradead.org >
Link: http://lkml.kernel.org/r/1512125856-22056-2-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2017-12-05 10:24:31 -03:00
David Ahern
813335b8b2
perf util: Add findnew method to intlist
...
Similar to other findnew based methods if the requested object is not
found, add it to the list.
v2: followed format of other findnew methods per acme's request
Signed-off-by: David Ahern <dsahern@gmail.com >
Cc: Frederic Weisbecker <fweisbec@gmail.com >
Cc: Ingo Molnar <mingo@kernel.org >
Cc: Jiri Olsa <jolsa@redhat.com >
Cc: Namhyung Kim <namhyung.kim@lge.com >
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl >
Cc: Stephane Eranian <eranian@google.com >
Link: http://lkml.kernel.org/r/1381289214-24885-2-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2013-10-14 10:28:48 -03:00
Suzuki K. Poulose
03f2f93ae0
Account the nr_entries in rblist properly
...
The nr_entries in rblist is never decremented when an element
is deleted. Also, use rblist__remove_node to delete a node in
rblist__delete(). This would keep the nr_entries sane.
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com >
Acked-by: David S. Ahern <dsahern@gmail.com >
Cc: David S. Ahern <dsahern@gmail.com >
Link: http://lkml.kernel.org/r/20120831070834.14806.87398.stgit@suzukikp.in.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2012-10-24 14:20:11 -02:00
David Ahern
37bbd3fff1
perf tools: Introducing rblist
...
rblist is the rbtree based code from strlist. It will be the common code
for strlist and the to-be-introduced intlist.
Signed-off-by: David Ahern <dsahern@gmail.com >
Cc: Frederic Weisbecker <fweisbec@gmail.com >
Cc: Ingo Molnar <mingo@kernel.org >
Cc: Jiri Olsa <jolsa@redhat.com >
Cc: Namhyung Kim <namhyung@kernel.org >
Cc: Peter Zijlstra <peterz@infradead.org >
Link: http://lkml.kernel.org/r/1343709095-7089-2-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2012-08-03 10:37:21 -03:00
