feat: add pprof

plugin/debug/pkg/internal/driver/testdata/pprof.cpu.call_tree.callgrind

@@ -0,0 +1,99 @@
+positions: instr line
+events: cpu(ms)
+
+ob=(1) /path/to/testbinary
+fl=(1) testdata/file1000.src
+fn=(1) line1000
+0x1000 1 1000
+* 1 100
+
+ob=(1)
+fl=(2) testdata/file2000.src
+fn=(2) line2001
++4096 9 10
+
+ob=(1)
+fl=(3) testdata/file3000.src
+fn=(3) line3002
++4096 2 10
+cfl=(2)
+cfn=(4) line2000 [1/2]
+calls=0 * 4
+* * 1000
+
+ob=(1)
+fl=(2)
+fn=(5) line2000
+-4096 4 0
+cfl=(2)
+cfn=(6) line2001 [2/2]
+calls=0 -4096 9
+* * 1000
+* 4 0
+cfl=(2)
+cfn=(7) line2001 [1/2]
+calls=0 * 9
+* * 10
+
+ob=(1)
+fl=(2)
+fn=(2)
+* 9 0
+cfl=(1)
+cfn=(8) line1000 [1/2]
+calls=0 -4096 1
+* * 1000
+
+ob=(1)
+fl=(3)
+fn=(9) line3000
++4096 6 0
+cfl=(3)
+cfn=(10) line3001 [1/2]
+calls=0 +4096 5
+* * 1010
+
+ob=(1)
+fl=(3)
+fn=(11) line3001
+* 5 0
+cfl=(3)
+cfn=(12) line3002 [1/2]
+calls=0 * 2
+* * 1010
+
+ob=(1)
+fl=(3)
+fn=(9)
++1 9 0
+cfl=(3)
+cfn=(13) line3001 [2/2]
+calls=0 +1 8
+* * 100
+
+ob=(1)
+fl=(3)
+fn=(11)
+* 8 0
+cfl=(1)
+cfn=(14) line1000 [2/2]
+calls=0 -8193 1
+* * 100
+
+ob=(1)
+fl=(3)
+fn=(9)
++1 9 0
+cfl=(3)
+cfn=(15) line3002 [2/2]
+calls=0 +1 5
+* * 10
+
+ob=(1)
+fl=(3)
+fn=(3)
+* 5 0
+cfl=(2)
+cfn=(16) line2000 [2/2]
+calls=0 -4098 4
+* * 10