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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
| commit | 10d15322ed26652263a579bcb59dfd49ab8a30de (patch) | |
| tree | b1497de1b8ffd34b991cdf6e21de1c7a0a65f1de /tools/lib/traceevent/event-parse.c | |
| parent | 0316d30ea3e66379cd30ed70a114bc282159bb4c (diff) | |
| parent | e5a9f8d04660da7ef3a98260aa74c3976f9cb4cd (diff) | |
| download | linux-10d15322ed26652263a579bcb59dfd49ab8a30de.tar.gz linux-10d15322ed26652263a579bcb59dfd49ab8a30de.tar.xz | |
Merge remote-tracking branch 'mac80211-next/master' into next
Diffstat (limited to 'tools/lib/traceevent/event-parse.c')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 4d885934b919..cf42b090477b 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -3795,7 +3795,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, struct format_field *field; struct printk_map *printk; long long val, fval; - unsigned long addr; + unsigned long long addr; char *str; unsigned char *hex; int print; @@ -3828,13 +3828,30 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, */ if (!(field->flags & FIELD_IS_ARRAY) && field->size == pevent->long_size) { - addr = *(unsigned long *)(data + field->offset); + + /* Handle heterogeneous recording and processing + * architectures + * + * CASE I: + * Traces recorded on 32-bit devices (32-bit + * addressing) and processed on 64-bit devices: + * In this case, only 32 bits should be read. + * + * CASE II: + * Traces recorded on 64 bit devices and processed + * on 32-bit devices: + * In this case, 64 bits must be read. + */ + addr = (pevent->long_size == 8) ? + *(unsigned long long *)(data + field->offset) : + (unsigned long long)*(unsigned int *)(data + field->offset); + /* Check if it matches a print format */ printk = find_printk(pevent, addr); if (printk) trace_seq_puts(s, printk->printk); else - trace_seq_printf(s, "%lx", addr); + trace_seq_printf(s, "%llx", addr); break; } str = malloc(len + 1); |