The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file op_mangle.c |
| 3 | * Mangling of sample file names |
| 4 | * |
| 5 | * @remark Copyright 2002 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | * @author Philippe Elie |
| 10 | */ |
| 11 | |
| 12 | #include "op_mangle.h" |
| 13 | |
| 14 | #include <string.h> |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | #include "op_libiberty.h" |
| 18 | |
| 19 | #include "op_sample_file.h" |
| 20 | #include "op_config.h" |
| 21 | |
| 22 | static void append_image(char * dest, int flags, int anon, char const * name, char const * anon_name) |
| 23 | { |
| 24 | if ((flags & MANGLE_KERNEL) && !strchr(name, '/')) { |
| 25 | strcat(dest, "{kern}/"); |
| 26 | } else if (anon) { |
| 27 | strcat(dest, "{anon:"); |
| 28 | strcat(dest, anon_name); |
| 29 | strcat(dest,"}/"); |
| 30 | } else { |
| 31 | strcat(dest, "{root}/"); |
| 32 | } |
| 33 | |
| 34 | strcat(dest, name); |
| 35 | strcat(dest, "/"); |
| 36 | } |
| 37 | |
| 38 | char * op_mangle_filename(struct mangle_values const * values) |
| 39 | { |
| 40 | char * mangled; |
| 41 | size_t len; |
| 42 | int anon = values->flags & MANGLE_ANON; |
| 43 | int cg_anon = values->flags & MANGLE_CG_ANON; |
| 44 | /* if dep_name != image_name we need to invert them (and so revert them |
| 45 | * unconditionally because if they are equal it doesn't hurt to invert |
| 46 | * them), see P:3, FIXME: this is a bit weirds, we prolly need to |
| 47 | * reword pp_interface */ |
| 48 | char const * image_name = values->dep_name; |
| 49 | char const * anon_name = values->anon_name; |
| 50 | char const * dep_name = values->image_name; |
| 51 | char const * cg_image_name = values->cg_image_name; |
| 52 | |
| 53 | len = strlen(op_samples_current_dir) + strlen(dep_name) + 1 |
| 54 | + strlen(values->event_name) + 1 + strlen(image_name) + 1; |
| 55 | |
| 56 | if (values->flags & MANGLE_CALLGRAPH) |
| 57 | len += strlen(cg_image_name) + 1; |
| 58 | |
| 59 | if (anon || cg_anon) |
| 60 | len += strlen(anon_name); |
| 61 | |
| 62 | /* provision for tgid, tid, unit_mask, cpu and some {root}, {dep}, |
| 63 | * {kern}, {anon} and {cg} marker */ |
| 64 | /* FIXME: too ugly */ |
| 65 | len += 256; |
| 66 | |
| 67 | mangled = xmalloc(len); |
| 68 | |
| 69 | strcpy(mangled, op_samples_current_dir); |
| 70 | append_image(mangled, values->flags, 0, image_name, anon_name); |
| 71 | |
| 72 | strcat(mangled, "{dep}" "/"); |
| 73 | append_image(mangled, values->flags, anon, dep_name, anon_name); |
| 74 | |
| 75 | if (values->flags & MANGLE_CALLGRAPH) { |
| 76 | strcat(mangled, "{cg}" "/"); |
| 77 | append_image(mangled, values->flags, cg_anon, |
| 78 | cg_image_name, anon_name); |
| 79 | } |
| 80 | |
| 81 | strcat(mangled, values->event_name); |
| 82 | sprintf(mangled + strlen(mangled), ".%d.%d.", |
| 83 | values->count, values->unit_mask); |
| 84 | |
| 85 | if (values->flags & MANGLE_TGID) { |
| 86 | sprintf(mangled + strlen(mangled), "%d.", values->tgid); |
| 87 | } else { |
| 88 | sprintf(mangled + strlen(mangled), "%s.", "all"); |
| 89 | } |
| 90 | |
| 91 | if (values->flags & MANGLE_TID) { |
| 92 | sprintf(mangled + strlen(mangled), "%d.", values->tid); |
| 93 | } else { |
| 94 | sprintf(mangled + strlen(mangled), "%s.", "all"); |
| 95 | } |
| 96 | |
| 97 | if (values->flags & MANGLE_CPU) { |
| 98 | sprintf(mangled + strlen(mangled), "%d", values->cpu); |
| 99 | } else { |
| 100 | sprintf(mangled + strlen(mangled), "%s", "all"); |
| 101 | } |
| 102 | |
| 103 | return mangled; |
| 104 | } |