feat: add pprof

plugin/debug/pkg/profile/testdata/cppbench.thread.all

@@ -0,0 +1,33 @@
+--- threadz 1 ---
+
+--- Thread 7eff063d9940 (name: main/25376) stack: ---
+  PC:  0x00bc8f1c: helper(arg*)
+  0x0040be31: main
+  0x7eff052e111d: __libc_start_main
+--- Thread 7eff04e97700 (name: thread1/25379) stack: ---
+  PC:  0x7eff05b74f7d: nanosleep
+  0x7eff05b6d14e: start_thread
+      creator:
+  0x0040bce4: main
+  0x7eff052e111d: __libc_start_main
+--- Thread 7eff04770700 (name: thread2/25382) stack: ---
+  PC:  0x00bc8f1c: Wait(int)
+  0x7eff05b6d14e: start_thread
+      creator:
+  0x0040bd6e: main
+  0x7eff052e111d: __libc_start_main
+--- Thread 7eff0464d700 (name: thread3/25383) stack: ---
+  [same as previous thread]
+--- Memory map: ---
+  00400000-00fcb000: /home/rsilvera/cppbench/cppbench_server_main
+  7eff04e98000-7eff04e9b000: /lib/libnss_cache-2.15.so
+  7eff0509c000-7eff050a8000: /lib/libnss_files-2.15.so
+  7eff052a9000-7eff05457000: /lib/libc-2.15.so
+  7eff05662000-7eff0575d000: /lib/libm-2.15.so
+  7eff0595e000-7eff05965000: /lib/librt-2.15.so
+  7eff05b66000-7eff05b7e000: /lib/libpthread-2.15.so
+  7eff05d83000-7eff05d86000: /lib/libdl-2.15.so
+  7eff05f87000-7eff05f90000: /lib/libcrypt-2.15.so
+  7eff061c0000-7eff061e4000: /lib/ld-2.15.so
+  7fff2edff000-7fff2ee00000: [vdso]
+  ffffffffff600000-ffffffffff601000: [vsyscall]