consolidate sublist of performance and time Tools

README.md

@@ -90,36 +90,26 @@ pair of .c and .py files, and some are directories of files.
 - tools/[capable](tools/capable.py): Trace security capability checks. [Examples](tools/capable_example.txt).
 - tools/[compactsnoop](tools/compactsnoop.py): Trace compact zone events with PID and latency. [Examples](tools/compactsnoop_example.txt).
 - tools/[criticalstat](tools/criticalstat.py): Trace and report long atomic critical sections in the kernel. [Examples](tools/criticalstat_example.txt)
-- tools/[dbslower](tools/dbslower.py): Trace MySQL/PostgreSQL queries slower than a threshold. [Examples](tools/dbslower_example.txt).
-- tools/[dbstat](tools/dbstat.py): Summarize MySQL/PostgreSQL query latency as a histogram. [Examples](tools/dbstat_example.txt).
 - tools/[deadlock](tools/deadlock.py): Detect potential deadlocks on a running process. [Examples](tools/deadlock_example.txt).
 - tools/[drsnoop](tools/drsnoop.py): Trace direct reclaim events with PID and latency. [Examples](tools/drsnoop_example.txt).
 - tools/[execsnoop](tools/execsnoop.py): Trace new processes via exec() syscalls. [Examples](tools/execsnoop_example.txt).
 - tools/[exitsnoop](tools/exitsnoop.py): Trace process termination (exit and fatal signals). [Examples](tools/exitsnoop_example.txt).
 - tools/[funccount](tools/funccount.py): Count kernel function calls. [Examples](tools/funccount_example.txt).
-- tools/[funcinterval](tools/funcinterval.py): Time interval between the same function as a histogram. [Examples](tools/funcinterval_example.txt).
-- tools/[funclatency](tools/funclatency.py): Time functions and show their latency distribution. [Examples](tools/funclatency_example.txt).
-- tools/[funcslower](tools/funcslower.py): Trace slow kernel or user function calls. [Examples](tools/funcslower_example.txt).
-- tools/[hardirqs](tools/hardirqs.py): Measure hard IRQ (hard interrupt) event time. [Examples](tools/hardirqs_example.txt).
 - tools/[inject](tools/inject.py): Targeted error injection with call chain and predicates [Examples](tools/inject_example.txt).
 - tools/[killsnoop](tools/killsnoop.py): Trace signals issued by the kill() syscall. [Examples](tools/killsnoop_example.txt).
 - tools/[klockstat](tools/klockstat.py): Traces kernel mutex lock events and display locks statistics. [Examples](tools/klockstat_example.txt).
 - tools/[kvmexit](tools/kvmexit.py): Display the exit_reason and its statistics of each vm exit. [Examples](tools/kvmexit_example.txt).
 - tools/[memleak](tools/memleak.py): Display outstanding memory allocations to find memory leaks. [Examples](tools/memleak_example.txt).
-- tools/[mysqld_qslower](tools/mysqld_qslower.py): Trace MySQL server queries slower than a threshold. [Examples](tools/mysqld_qslower_example.txt).
 - tools/[oomkill](tools/oomkill.py): Trace the out-of-memory (OOM) killer. [Examples](tools/oomkill_example.txt).
 - tools/[opensnoop](tools/opensnoop.py): Trace open() syscalls. [Examples](tools/opensnoop_example.txt).
 - tools/[pidpersec](tools/pidpersec.py): Count new processes (via fork). [Examples](tools/pidpersec_example.txt).
-- tools/[ppchcalls](tools/ppchcalls.py): Summarize ppc hcall counts and latencies. [Examples](tools/ppchcalls_example.txt).
 - 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/[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).
 - tools/[stackcount](tools/stackcount.py): Count kernel function calls and their stack traces. [Examples](tools/stackcount_example.txt).
 - tools/[syncsnoop](tools/syncsnoop.py): Trace sync() syscall. [Examples](tools/syncsnoop_example.txt).
-- tools/[syscount](tools/syscount.py): Summarize syscall counts and latencies. [Examples](tools/syscount_example.txt).
 - tools/[threadsnoop](tools/threadsnoop.py): List new thread creation. [Examples](tools/threadsnoop_example.txt).
 - tools/[tplist](tools/tplist.py): Display kernel tracepoints or USDT probes and their formats. [Examples](tools/tplist_example.txt).
 - tools/[trace](tools/trace.py): Trace arbitrary functions, with filters. [Examples](tools/trace_example.txt).
@@ -131,6 +121,19 @@ pair of .c and .py files, and some are directories of files.
 - 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).
 
+##### Performance and Time Tools
+
+- tools/[dbslower](tools/dbslower.py): Trace MySQL/PostgreSQL queries slower than a threshold. [Examples](tools/dbslower_example.txt).
+- tools/[dbstat](tools/dbstat.py): Summarize MySQL/PostgreSQL query latency as a histogram. [Examples](tools/dbstat_example.txt).
+- tools/[funcinterval](tools/funcinterval.py): Time interval between the same function as a histogram. [Examples](tools/funcinterval_example.txt).
+- tools/[funclatency](tools/funclatency.py): Time functions and show their latency distribution. [Examples](tools/funclatency_example.txt).
+- tools/[funcslower](tools/funcslower.py): Trace slow kernel or user function calls. [Examples](tools/funcslower_example.txt).
+- tools/[hardirqs](tools/hardirqs.py): Measure hard IRQ (hard interrupt) event time. [Examples](tools/hardirqs_example.txt).
+- tools/[mysqld_qslower](tools/mysqld_qslower.py): Trace MySQL server queries slower than a threshold. [Examples](tools/mysqld_qslower_example.txt).
+- tools/[ppchcalls](tools/ppchcalls.py): Summarize ppc hcall counts and latencies. [Examples](tools/ppchcalls_example.txt).
+- tools/[softirqs](tools/softirqs.py): Measure soft IRQ (soft interrupt) event time. [Examples](tools/softirqs_example.txt).
+- tools/[syscount](tools/syscount.py): Summarize syscall counts and latencies. [Examples](tools/syscount_example.txt).
+
 ##### CPU and Scheduler Tools
 
 - tools/[cpudist](tools/cpudist.py): Summarize on- and off-CPU time per task as a histogram. [Examples](tools/cpudist_example.txt)