1 files changed, 32 insertions, 36 deletions

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 47b1e36c7ea0..ead9509835d2 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -16,12 +16,14 @@
 #include <linux/kernel.h>
 #include <unistd.h>
 #include "callchain.h"
+#include "strlist.h"
 
 struct callchain_param  callchain_param = {
         .mode   = CHAIN_GRAPH_ABS,
         .min_percent = 0.5,
         .order  = ORDER_CALLEE,
-        .key    = CCKEY_FUNCTION
+        .key    = CCKEY_FUNCTION,
+        .value  = CCVAL_PERCENT,
 };
 
 /*
@@ -351,41 +353,8 @@ void sighandler_dump_stack(int sig)
 {
         psignal(sig, "perf");
         dump_stack();
-        exit(sig);
-}
-
-void get_term_dimensions(struct winsize *ws)
-{
-        char *s = getenv("LINES");
-
-        if (s != NULL) {
-                ws->ws_row = atoi(s);
-                s = getenv("COLUMNS");
-                if (s != NULL) {
-                        ws->ws_col = atoi(s);
-                        if (ws->ws_row && ws->ws_col)
-                                return;
-                }
-        }
-#ifdef TIOCGWINSZ
-        if (ioctl(1, TIOCGWINSZ, ws) == 0 &&
-            ws->ws_row && ws->ws_col)
-                return;
-#endif
-        ws->ws_row = 25;
-        ws->ws_col = 80;
-}
-
-void set_term_quiet_input(struct termios *old)
-{
-        struct termios tc;
-
-        tcgetattr(0, old);
-        tc = *old;
-        tc.c_lflag &= ~(ICANON | ECHO);
-        tc.c_cc[VMIN] = 0;
-        tc.c_cc[VTIME] = 0;
-        tcsetattr(0, TCSANOW, &tc);
+        signal(sig, SIG_DFL);
+        raise(sig);
 }
 
 int parse_nsec_time(const char *str, u64 *ptime)
@@ -695,3 +664,30 @@ fetch_kernel_version(unsigned int *puint, char *str,
                 *puint = (version << 16) + (patchlevel << 8) + sublevel;
         return 0;
 }
+
+const char *perf_tip(const char *dirpath)
+{
+        struct strlist *tips;
+        struct str_node *node;
+        char *tip = NULL;
+        struct strlist_config conf = {
+                .dirname = dirpath,
+                .file_only = true,
+        };
+
+        tips = strlist__new("tips.txt", &conf);
+        if (tips == NULL)
+                return errno == ENOENT ? NULL : "Tip: get more memory! ;-p";
+
+        if (strlist__nr_entries(tips) == 0)
+                goto out;
+
+        node = strlist__entry(tips, random() % strlist__nr_entries(tips));
+        if (asprintf(&tip, "Tip: %s", node->s) < 0)
+                tip = (char *)"Tip: get more memory! ;-)";
+
+out:
+        strlist__delete(tips);
+
+        return tip;
+}