readme: categorize runqlen and wakeuptime

to CPU and Scheduler Tools

README.md

@@ -114,7 +114,6 @@ pair of .c and .py files, and some are directories of files.
 - tools/[readahead](tools/readahead.py): Show performance of read-ahead cache [Examples](tools/readahead_example.txt).
 - tools/[rdmaucma](tools/rdmaucma.py): Trace RDMA Userspace Connection Manager Access events. [Examples](tools/rdmaucma_example.txt).
 - tools/[reset-trace](tools/reset-trace.sh): Reset the state of tracing. Maintenance tool only. [Examples](tools/reset-trace_example.txt).
-- tools/[runqlen](tools/runqlen.py): Run queue length as a histogram. [Examples](tools/runqlen_example.txt).
 - tools/[shmsnoop](tools/shmsnoop.py): Trace System V shared memory syscalls. [Examples](tools/shmsnoop_example.txt).
 - tools/[slabratetop](tools/slabratetop.py): Kernel SLAB/SLUB memory cache allocation rate top. [Examples](tools/slabratetop_example.txt).
 - tools/[softirqs](tools/softirqs.py): Measure soft IRQ (soft interrupt) event time. [Examples](tools/softirqs_example.txt).
@@ -131,7 +130,6 @@ pair of .c and .py files, and some are directories of files.
 - tools/[uobjnew](tools/lib/uobjnew.py): Summarize object allocation events by object type and number of bytes allocated. [Examples](tools/lib/uobjnew_example.txt).
 - tools/[ustat](tools/lib/ustat.py): Collect events such as GCs, thread creations, object allocations, exceptions and more in high-level languages. [Examples](tools/lib/ustat_example.txt).
 - tools/[uthreads](tools/lib/uthreads.py): Trace thread creation events in Java and raw pthreads. [Examples](tools/lib/uthreads_example.txt).
-- tools/[wakeuptime](tools/wakeuptime.py): Summarize sleep to wakeup time by waker kernel stack. [Examples](tools/wakeuptime_example.txt).
 
 ##### CPU and Scheduler Tools
 
@@ -142,7 +140,9 @@ pair of .c and .py files, and some are directories of files.
 - tools/[offwaketime](tools/offwaketime.py): Summarize blocked time by kernel off-CPU stack and waker stack. [Examples](tools/offwaketime_example.txt).
 - tools/[profile](tools/profile.py): Profile CPU usage by sampling stack traces at a timed interval. [Examples](tools/profile_example.txt).
 - tools/[runqlat](tools/runqlat.py): Run queue (scheduler) latency as a histogram. [Examples](tools/runqlat_example.txt).
+- tools/[runqlen](tools/runqlen.py): Run queue length as a histogram. [Examples](tools/runqlen_example.txt).
 - tools/[runqslower](tools/runqslower.py): Trace long process scheduling delays. [Examples](tools/runqslower_example.txt).
+- tools/[wakeuptime](tools/wakeuptime.py): Summarize sleep to wakeup time by waker kernel stack. [Examples](tools/wakeuptime_example.txt).
 
 ##### Network and Sockets Tools