blkparse: fix absolute timestamp when reading from file
[blktrace.git] / blkparse_fmt.c
index ceeaaba85fdde8f775528917790f76999297b16b..c42e6d7b7219d532c4ae34d937e0ea9660535426 100644 (file)
@@ -7,10 +7,11 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <ctype.h>
+#include <time.h>
 
 #include "blktrace.h"
 
-#define VALID_SPECS    "ABCDFGMPQRSTUWX"
+#define VALID_SPECS    "ABCDFGIMPQRSTUWX"
 
 #define HEADER         "%D %2c %8s %5T.%9t %5p %2a %3d "
 
@@ -43,19 +44,8 @@ int add_format_spec(char *option)
                return 1;
        }
        option += 2;
-       if (*option == '\0') {
-               fprintf(stderr,"Bad format specifier - need fmt %s\n", option);
-               return 1;
-       }
 
-       /*
-        * Set both merges (front and back)
-        */
-       if (spec == 'M') {
-               override_format['B'] = strdup(option);
-               override_format['M'] = strdup(option);
-       } else
-               override_format[spec] = strdup(option);
+       override_format[spec] = strdup(option);
 
        return 0;
 }
@@ -63,22 +53,63 @@ int add_format_spec(char *option)
 static inline void fill_rwbs(char *rwbs, struct blk_io_trace *t)
 {
        int w = t->action & BLK_TC_ACT(BLK_TC_WRITE);
-       int b = t->action & BLK_TC_ACT(BLK_TC_BARRIER);
+       int a = t->action & BLK_TC_ACT(BLK_TC_AHEAD);
        int s = t->action & BLK_TC_ACT(BLK_TC_SYNC);
+       int m = t->action & BLK_TC_ACT(BLK_TC_META);
+       int d = t->action & BLK_TC_ACT(BLK_TC_DISCARD);
+       int f = t->action & BLK_TC_ACT(BLK_TC_FLUSH);
+       int u = t->action & BLK_TC_ACT(BLK_TC_FUA);
        int i = 0;
 
-       if (w)
+       if (f)
+               rwbs[i++] = 'F'; /* flush */
+
+       if (d)
+               rwbs[i++] = 'D';
+       else if (w)
                rwbs[i++] = 'W';
-       else
+       else if (t->bytes)
                rwbs[i++] = 'R';
-       if (b)
-               rwbs[i++] = 'B';
+       else
+               rwbs[i++] = 'N';
+
+       if (u)
+               rwbs[i++] = 'F'; /* fua */
+       if (a)
+               rwbs[i++] = 'A';
        if (s)
                rwbs[i++] = 'S';
+       if (m)
+               rwbs[i++] = 'M';
 
        rwbs[i] = '\0';
 }
 
+static const char *
+print_time(unsigned long long timestamp)
+{
+       static char     timebuf[128];
+       struct tm       *tm;
+       time_t          sec;
+       unsigned long   nsec;
+
+       sec  = abs_start_time.tv_sec + SECONDS(timestamp);
+       nsec = abs_start_time.tv_nsec + NANO_SECONDS(timestamp);
+       if (nsec >= 1000000000) {
+               nsec -= 1000000000;
+               sec += 1;
+       }
+
+       tm = localtime(&sec);
+       snprintf(timebuf, sizeof(timebuf),
+                       "%02u:%02u:%02u.%06lu",
+                       tm->tm_hour,
+                       tm->tm_min,
+                       tm->tm_sec,
+                       nsec / 1000);
+       return timebuf;
+}
+
 static inline int pdu_rest_is_zero(unsigned char *pdu, int len)
 {
        static char zero[4096];
@@ -126,10 +157,11 @@ static unsigned int get_pdu_int(struct blk_io_trace *t)
 static void get_pdu_remap(struct blk_io_trace *t, struct blk_io_trace_remap *r)
 {
        struct blk_io_trace_remap *__r = pdu_start(t);
-       __u64 sector = __r->sector;
+       __u64 sector_from = __r->sector_from;
 
-       r->device = be32_to_cpu(__r->device);
-       r->sector = be64_to_cpu(sector);
+       r->device_from = be32_to_cpu(__r->device_from);
+       r->device_to   = be32_to_cpu(__r->device_to);
+       r->sector_from = be64_to_cpu(sector_from);
 }
 
 static void print_field(char *act, struct per_cpu_info *pci,
@@ -161,7 +193,7 @@ static void print_field(char *act, struct per_cpu_info *pci,
                break;
        }
        case 'd': {
-               char rwbs[4];
+               char rwbs[8];
 
                fill_rwbs(rwbs, t);
                fprintf(ofp, strcat(format, "s"), rwbs);
@@ -214,10 +246,12 @@ static void print_field(char *act, struct per_cpu_info *pci,
                }
                fprintf(ofp, strcat(format, "llu"), elapsed / 1000);
                break;
-       case 'U': {
+       case 'U':
                fprintf(ofp, strcat(format, "u"), get_pdu_int(t));
                break;
-       }
+       case 'z':
+               fprintf(ofp, strcat(format, "s"), print_time(t->time));
+               break;
        default:
                fprintf(ofp,strcat(format, "c"), field);
                break;
@@ -255,11 +289,21 @@ static void process_default(char *act, struct per_cpu_info *pci,
                            struct blk_io_trace *t, unsigned long long elapsed,
                            int pdu_len, unsigned char *pdu_buf)
 {
-       char rwbs[4];
+       struct blk_io_trace_remap r = { .device_from = 0, };
+       char rwbs[8];
        char *name;
 
        fill_rwbs(rwbs, t);
 
+        /*
+         * For remaps we have to modify the device using the remap structure
+         * passed up.
+         */
+        if (act[0] == 'A') {
+                get_pdu_remap(t, &r);
+                t->device = r.device_to;
+        }
+
        /*
         * The header is always the same
         */
@@ -280,13 +324,23 @@ static void process_default(char *act, struct per_cpu_info *pci,
                        fprintf(ofp, "[%d]\n", t->error);
                } else {
                        if (elapsed != -1ULL) {
-                               fprintf(ofp, "%llu + %u (%8llu) [%d]\n",
-                                       (unsigned long long) t->sector,
-                                       t_sec(t), elapsed, t->error);
+                               if (t_sec(t))
+                                       fprintf(ofp, "%llu + %u (%8llu) [%d]\n",
+                                               (unsigned long long) t->sector,
+                                               t_sec(t), elapsed, t->error);
+                               else
+                                       fprintf(ofp, "%llu (%8llu) [%d]\n",
+                                               (unsigned long long) t->sector,
+                                               elapsed, t->error);
                        } else {
-                               fprintf(ofp, "%llu + %u [%d]\n",
-                                       (unsigned long long) t->sector,
-                                       t_sec(t), t->error);
+                               if (t_sec(t))
+                                       fprintf(ofp, "%llu + %u [%d]\n",
+                                               (unsigned long long) t->sector,
+                                               t_sec(t), t->error);
+                               else
+                                       fprintf(ofp, "%llu [%d]\n",
+                                               (unsigned long long) t->sector,
+                                               t->error);
                        }
                }
                break;
@@ -294,7 +348,7 @@ static void process_default(char *act, struct per_cpu_info *pci,
        case 'D':       /* Issue */
        case 'I':       /* Insert */
        case 'Q':       /* Queue */
-       case 'W':       /* Bounce */
+       case 'B':       /* Bounce */
                if (t->action & BLK_TC_ACT(BLK_TC_PC)) {
                        char *p;
                        fprintf(ofp, "%u ", t->bytes);
@@ -304,24 +358,33 @@ static void process_default(char *act, struct per_cpu_info *pci,
                        fprintf(ofp, "[%s]\n", name);
                } else {
                        if (elapsed != -1ULL) {
-                               fprintf(ofp, "%llu + %u (%8llu) [%s]\n",
-                                       (unsigned long long) t->sector,
-                                       t_sec(t), elapsed, name);
+                               if (t_sec(t))
+                                       fprintf(ofp, "%llu + %u (%8llu) [%s]\n",
+                                               (unsigned long long) t->sector,
+                                               t_sec(t), elapsed, name);
+                               else
+                                       fprintf(ofp, "(%8llu) [%s]\n", elapsed,
+                                               name);
                        } else {
-                               fprintf(ofp, "%llu + %u [%s]\n",
-                                       (unsigned long long) t->sector,
-                                       t_sec(t), name);
+                               if (t_sec(t))
+                                       fprintf(ofp, "%llu + %u [%s]\n",
+                                               (unsigned long long) t->sector,
+                                               t_sec(t), name);
+                               else
+                                       fprintf(ofp, "[%s]\n", name);
                        }
                }
                break;
 
-       case 'B':       /* Back merge */
+       case 'M':       /* Back merge */
        case 'F':       /* Front merge */
-       case 'M':       /* Front or back merge */
        case 'G':       /* Get request */
        case 'S':       /* Sleep request */
-               fprintf(ofp, "%llu + %u [%s]\n", (unsigned long long) t->sector,
-                       t_sec(t), name);
+               if (t_sec(t))
+                       fprintf(ofp, "%llu + %u [%s]\n",
+                               (unsigned long long) t->sector, t_sec(t), name);
+               else
+                       fprintf(ofp, "[%s]\n", name);
                break;
 
        case 'P':       /* Plug */
@@ -333,22 +396,23 @@ static void process_default(char *act, struct per_cpu_info *pci,
                fprintf(ofp, "[%s] %u\n", name, get_pdu_int(t));
                break;
 
-       case 'A': {     /* remap */
-               struct blk_io_trace_remap r;
-
+       case 'A':       /* remap */
                get_pdu_remap(t, &r);
                fprintf(ofp, "%llu + %u <- (%d,%d) %llu\n",
-                       (unsigned long long) r.sector, t_sec(t),
-                       MAJOR(r.device), MINOR(r.device),
-                       (unsigned long long) t->sector);
+                       (unsigned long long) t->sector, t_sec(t),
+                       MAJOR(r.device_from), MINOR(r.device_from),
+                       (unsigned long long) r.sector_from);
                break;
-       }
-               
+
        case 'X':       /* Split */
                fprintf(ofp, "%llu / %u [%s]\n", (unsigned long long) t->sector,
                        get_pdu_int(t), name);
                break;
 
+       case 'm':       /* Message */
+               fprintf(ofp, "%*s\n", pdu_len, pdu_buf);
+               break;
+
        default:
                fprintf(stderr, "Unknown action %c\n", act[0]);
                break;
@@ -386,7 +450,7 @@ void process_fmt(char *act, struct per_cpu_info *pci, struct blk_io_trace *t,
                        case 'r': fprintf(ofp, "\r"); break;
                        case 't': fprintf(ofp, "\t"); break;
                        default:
-                               fprintf(stderr, 
+                               fprintf(stderr,
                                        "Invalid escape char in format %c\n",
                                        p[1]);
                                exit(1);