valgrind: add basic memcheck

src/SUMMARY.md

@@ -47,6 +47,7 @@
     - [perf](./trace_profile/perf.md)
     - [OProfile](./trace_profile/oprofile.md)
     - [callgrind](./trace_profile/callgrind.md)
+    - [valgrind](./trace_profile/valgrind.md)
 
 - [Debug](./debug/README.md)
     - [gdb](./debug/gdb.md)

src/trace_profile/README.md

@@ -6,3 +6,4 @@
 - [perf](./perf.md)
 - [OProfile](./oprofile.md)
 - [callgrind](./callgrind.md)
+- [valgrind](./valgrind.md)

src/trace_profile/valgrind.md

@@ -0,0 +1,22 @@
+# valgrind(1)
+
+## Memcheck `--tool=memcheck`
+
+Is the default tool when invoking `valgrind` without explicitly specifying
+`--tool`.
+
+Memory checker used to identify:
+- memory leaks
+- out of bound accesses
+- uninitialized reads
+
+```sh
+valgrind [OPTIONS] PROGRAM [ARGS]
+    --log-file=FILE             Write valgrind output to FILE.
+    --leak-check=full           Enable full leak check.
+    --track-origins=yes         Show origins of undefined values.
+    --keep-debuginfo=no|yes     Keep symbols etc for unloaded code.
+
+    --gen-suppressions=yes      Generate suppressions file from the run.
+    --suppressions=FILE         Load suppressions file.
+```