perf tools: Create util/sort.and use it

Create util/sort.[ch] and move common functionality for
builtin-report.c and builtin-annotate.c there, and make use of it.

Signed-off-by: John Kacur <jkacur@redhat.com>
LKML-Reference: <alpine.LFD.2.00.0909241758390.11383@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 204 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index a33087328bd4..059c565b31ea 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -22,12 +22,10 @@
 #include "util/parse-options.h"
 #include "util/parse-events.h"
 #include "util/thread.h"
+#include "util/sort.h"
 
 static char             const *input_name = "perf.data";
 
-static char             default_sort_order[] = "comm,symbol";
-static char             *sort_order = default_sort_order;
-
 static int              force;
 static int              input;
 static int              show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
@@ -55,207 +53,6 @@ struct sym_ext {
 
 static struct rb_root hist;
 
-struct hist_entry {
-        struct rb_node   rb_node;
-
-        struct thread    *thread;
-        struct map       *map;
-        struct dso       *dso;
-        struct symbol    *sym;
-        u64      ip;
-        char             level;
-
-        uint32_t         count;
-};
-
-/*
- * configurable sorting bits
- */
-
-struct sort_entry {
-        struct list_head list;
-
-        const char *header;
-
-        int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
-        int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
-        size_t  (*print)(FILE *fp, struct hist_entry *);
-};
-
-static int64_t cmp_null(void *l, void *r)
-{
-        if (!l && !r)
-                return 0;
-        else if (!l)
-                return -1;
-        else
-                return 1;
-}
-
-/* --sort pid */
-
-static int64_t
-sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
-{
-        return right->thread->pid - left->thread->pid;
-}
-
-static size_t
-sort__thread_print(FILE *fp, struct hist_entry *self)
-{
-        return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid);
-}
-
-static struct sort_entry sort_thread = {
-        .header = "         Command:  Pid",
-        .cmp    = sort__thread_cmp,
-        .print  = sort__thread_print,
-};
-
-/* --sort comm */
-
-static int64_t
-sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
-{
-        return right->thread->pid - left->thread->pid;
-}
-
-static int64_t
-sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
-{
-        char *comm_l = left->thread->comm;
-        char *comm_r = right->thread->comm;
-
-        if (!comm_l || !comm_r)
-                return cmp_null(comm_l, comm_r);
-
-        return strcmp(comm_l, comm_r);
-}
-
-static size_t
-sort__comm_print(FILE *fp, struct hist_entry *self)
-{
-        return fprintf(fp, "%16s", self->thread->comm);
-}
-
-static struct sort_entry sort_comm = {
-        .header         = "         Command",
-        .cmp            = sort__comm_cmp,
-        .collapse       = sort__comm_collapse,
-        .print          = sort__comm_print,
-};
-
-/* --sort dso */
-
-static int64_t
-sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
-{
-        struct dso *dso_l = left->dso;
-        struct dso *dso_r = right->dso;
-
-        if (!dso_l || !dso_r)
-                return cmp_null(dso_l, dso_r);
-
-        return strcmp(dso_l->name, dso_r->name);
-}
-
-static size_t
-sort__dso_print(FILE *fp, struct hist_entry *self)
-{
-        if (self->dso)
-                return fprintf(fp, "%-25s", self->dso->name);
-
-        return fprintf(fp, "%016llx         ", (u64)self->ip);
-}
-
-static struct sort_entry sort_dso = {
-        .header = "Shared Object            ",
-        .cmp    = sort__dso_cmp,
-        .print  = sort__dso_print,
-};
-
-/* --sort symbol */
-
-static int64_t
-sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
-{
-        u64 ip_l, ip_r;
-
-        if (left->sym == right->sym)
-                return 0;
-
-        ip_l = left->sym ? left->sym->start : left->ip;
-        ip_r = right->sym ? right->sym->start : right->ip;
-
-        return (int64_t)(ip_r - ip_l);
-}
-
-static size_t
-sort__sym_print(FILE *fp, struct hist_entry *self)
-{
-        size_t ret = 0;
-
-        if (verbose)
-                ret += fprintf(fp, "%#018llx  ", (u64)self->ip);
-
-        if (self->sym) {
-                ret += fprintf(fp, "[%c] %s",
-                        self->dso == kernel_dso ? 'k' : '.', self->sym->name);
-        } else {
-                ret += fprintf(fp, "%#016llx", (u64)self->ip);
-        }
-
-        return ret;
-}
-
-static struct sort_entry sort_sym = {
-        .header = "Symbol",
-        .cmp    = sort__sym_cmp,
-        .print  = sort__sym_print,
-};
-
-static int sort__need_collapse = 0;
-
-struct sort_dimension {
-        const char              *name;
-        struct sort_entry       *entry;
-        int                     taken;
-};
-
-static struct sort_dimension sort_dimensions[] = {
-        { .name = "pid",        .entry = &sort_thread,  },
-        { .name = "comm",       .entry = &sort_comm,    },
-        { .name = "dso",        .entry = &sort_dso,     },
-        { .name = "symbol",     .entry = &sort_sym,     },
-};
-
-static LIST_HEAD(hist_entry__sort_list);
-
-static int sort_dimension__add(char *tok)
-{
-        unsigned int i;
-
-        for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
-                struct sort_dimension *sd = &sort_dimensions[i];
-
-                if (sd->taken)
-                        continue;
-
-                if (strncasecmp(tok, sd->name, strlen(tok)))
-                        continue;
-
-                if (sd->entry->collapse)
-                        sort__need_collapse = 1;
-
-                list_add_tail(&sd->entry->list, &hist_entry__sort_list);
-                sd->taken = 1;
-
-                return 0;
-        }
-
-        return -ESRCH;
-}
-
 static int64_t
 hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
 {
@@ -1137,5 +934,11 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
 
         setup_pager();
 
+        if (field_sep && *field_sep == '.') {
+                fputs("'.' is the only non valid --field-separator argument\n",
+                                stderr);
+                exit(129);
+        }
+
         return __cmd_annotate();
 }