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[/] [openrisc/] [trunk/] [or1ksim/] [profiler.c] - Diff between revs 19 and 100

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Rev 19	Rev 100
Line 25...	Line 25...

`/* Command line utility, that displays profiling information, generated`	`/* Command line utility, that displays profiling information, generated`
`by or1ksim. (use profile command interactively, when running or1ksim, or`	`by or1ksim. (use profile command interactively, when running or1ksim, or`
`separate psim command). */`	`separate psim command). */`

	`#define PROF_DEBUG 0`

`/* Autoconf and/or portability configuration */`	`/* Autoconf and/or portability configuration */`
`#include "config.h"`	`#include "config.h"`
`#include "port.h"`	`#include "port.h"`

Line 36...	Line 37...
`#include "profiler.h"`	`#include "profiler.h"`
`#include "sim-config.h"`	`#include "sim-config.h"`
`#include "argtable2.h"`	`#include "argtable2.h"`

`/! Maximum stack frames that can be profiled /`	`/! Maximum stack frames that can be profiled /`
`#define MAX_STACK 1024`	`#define MAX_STACK 262144`

`/! Data structure representing information about a stack frame /`	`/! Data structure representing information about a stack frame /`
`struct stack_struct`	`struct stack_struct`
`{`	`{`
`unsigned int addr; /!< Function address /`	`unsigned int addr; /!< Function address /`
Line 98...	Line 99...

`if (runtime.sim.fprof)`	`if (runtime.sim.fprof)`
`{`	`{`
`fprof = runtime.sim.fprof;`	`fprof = runtime.sim.fprof;`
`reopened = 1;`	`reopened = 1;`
	`if (PROF_DEBUG) printf("reopened=1\n");`
`rewind (fprof);`	`rewind (fprof);`
`}`	`}`
`else`	`else`
`fprof = fopen (fprofname, "rt");`	`fprof = fopen (fprofname, "rt");`

`if (!fprof)`	`if (!fprof)`
`{`	`{`
`fprintf (stderr, "Cannot open profile file: %s\n", fprofname);`	`fprintf (stderr, "Cannot open profile file: %s\n", fprofname);`
`return 1;`	`return 1;`
`}`	`}`
	`int ctr =0;`
`while (1)`	`while (1)`
`{`	`{`
	`if (PROF_DEBUG) printf("%d ",ctr++);`
`char dir = fgetc (fprof);`	`char dir = fgetc (fprof);`
`line++;`	`line++;`
`if (dir == '+')`	`if (dir == '+')`
`{`	`{`
`if (fscanf`	`if (fscanf`
Line 124...	Line 127...
`fprintf (stderr, "Error reading line #%i\n", line);`	`fprintf (stderr, "Error reading line #%i\n", line);`
`else`	`else`
`{`	`{`
`prof_cycles = stack[nstack].cycles;`	`prof_cycles = stack[nstack].cycles;`
`nstack++;`	`nstack++;`
	`if (PROF_DEBUG) printf("+ 0x%.8x nstack %d\n",stack[nstack-1].raddr, nstack);`
`if (nstack > maxstack)`	`if (nstack > maxstack)`
`maxstack = nstack;`	`maxstack = nstack;`
`}`	`}`
`ntotcalls++;`	`ntotcalls++;`
`}`	`}`
Line 138...	Line 142...
`fprintf (stderr, "Error reading line #%i\n", line);`	`fprintf (stderr, "Error reading line #%i\n", line);`
`else`	`else`
`{`	`{`
`int i;`	`int i;`
`prof_cycles = s.cycles;`	`prof_cycles = s.cycles;`
	`if (PROF_DEBUG) printf("- 0x%.8x nstack %d\n",s.raddr ,nstack);`
`for (i = nstack - 1; i >= 0; i--)`	`for (i = nstack - 1; i >= 0; i--)`
`if (stack[i].raddr == s.raddr)`	`if (stack[i].raddr == s.raddr)`
`break;`	`break;`
`if (i >= 0)`	`if (i >= 0)`
`{`	`{`

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[/] [openrisc/] [trunk/] [or1ksim/] [profiler.c] - Diff between revs 19 and 100