On Sun, Jul 22, 2012 at 02:14:39PM +0200, Jiri Olsa wrote: > Adding dso data caching so we don't need to open/read/close, > each time we want dso data. > > The DSO data caching affects following functions: > dso__data_read_offset > dso__data_read_addr > > Each DSO read tries to find the data (based on offset) inside > the cache. If it's not present it fills the cache from file, > and returns the data. If it is present, data are returned > with no file read. > > Each data read is cached by reading cache page sized/aligned > amount of DSO data. The cache page size is hardcoded to 4096. > The cache is using RB tree with file offset as a sort key. > > Signed-off-by: Jiri Olsa <jo...@redhat.com>
Nice idea. > --- > tools/perf/util/symbol.c | 154 > ++++++++++++++++++++++++++++++++++++++++------ There seem to be an increasing need to move dso related things to some util/dso.c file. Just suggesting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/