ptdump: split help printf
The help text is getting quite big. Split the single printf() into one printf()
per line of output.
Also print the output to stdout instead of stderr to align with ptxed.
Change-Id: I5eed339d4b3a51ac2a82f3108128e8d900d25ad1
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
diff --git a/ptdump/src/ptdump.c b/ptdump/src/ptdump.c
index 72dc75d..03a62cb 100644
--- a/ptdump/src/ptdump.c
+++ b/ptdump/src/ptdump.c
@@ -170,38 +170,35 @@
static int help(const char *name)
{
- fprintf(stderr,
- "usage: %s [<options>] <ptfile>[:<from>[-<to>]\n\n"
- "options:\n"
- " --help|-h this text.\n"
- " --version display version information and exit.\n"
- " --no-sync don't try to sync to the first PSB, assume a valid\n"
- " sync point at the beginning of the trace.\n"
- " --quiet don't print anything but errors.\n"
- " --no-pad don't show PAD packets.\n"
- " --no-timing don't show timing packets.\n"
- " --no-cyc don't show CYC packets and ignore them when tracking time.\n"
- " --no-offset don't show the offset as the first column.\n"
- " --raw show raw packet bytes.\n"
- " --lastip show last IP updates on packets with IP payloads.\n"
- " --exec-mode show the current execution mode on mode.exec packets.\n"
- " --time show the estimated TSC on timing packets.\n"
- " --tcal show time calibration information.\n"
- " --time-delta show timing information as delta.\n"
- " --no-tcal skip timing calibration.\n"
- " this will result in errors when CYC packets are encountered.\n"
- " --no-wall-clock suppress the no-time error and print relative time.\n"
- " --cpu none|auto|f/m[/s] set cpu to the given value and decode according to:\n"
- " none spec (default)\n"
- " auto current cpu\n"
- " f/m[/s] family/model[/stepping]\n"
- " --mtc-freq <n> set the MTC frequency (IA32_RTIT_CTL[17:14]) to <n>.\n"
- " --nom-freq <n> set the nominal frequency (MSR_PLATFORM_INFO[15:8]) to <n>.\n"
- " --cpuid-0x15.eax set the value of cpuid[0x15].eax.\n"
- " --cpuid-0x15.ebx set the value of cpuid[0x15].ebx.\n"
- " <ptfile>[:<from>[-<to>]] load the processor trace data from <ptfile>;\n"
- " an optional offset or range can be given.\n",
- name);
+ printf("usage: %s [<options>] <ptfile>[:<from>[-<to>]\n\n", name);
+ printf("options:\n");
+ printf(" --help|-h this text.\n");
+ printf(" --version display version information and exit.\n");
+ printf(" --no-sync don't try to sync to the first PSB, assume a valid\n");
+ printf(" sync point at the beginning of the trace.\n");
+ printf(" --quiet don't print anything but errors.\n");
+ printf(" --no-pad don't show PAD packets.\n");
+ printf(" --no-timing don't show timing packets.\n");
+ printf(" --no-cyc don't show CYC packets and ignore them when tracking time.\n");
+ printf(" --no-offset don't show the offset as the first column.\n");
+ printf(" --raw show raw packet bytes.\n");
+ printf(" --lastip show last IP updates on packets with IP payloads.\n");
+ printf(" --exec-mode show the current execution mode on mode.exec packets.\n");
+ printf(" --time show the estimated TSC on timing packets.\n");
+ printf(" --tcal show time calibration information.\n");
+ printf(" --time-delta show timing information as delta.\n");
+ printf(" --no-tcal skip timing calibration.\n");
+ printf(" this will result in errors when CYC packets are encountered.\n");
+ printf(" --no-wall-clock suppress the no-time error and print relative time.\n");
+ printf(" --cpu none|auto|f/m[/s] set cpu to the given value and decode according to:\n");
+ printf(" none spec (default)\n");
+ printf(" auto current cpu\n");
+ printf(" f/m[/s] family/model[/stepping]\n");
+ printf(" --mtc-freq <n> set the MTC frequency (IA32_RTIT_CTL[17:14]) to <n>.\n");
+ printf(" --nom-freq <n> set the nominal frequency (MSR_PLATFORM_INFO[15:8]) to <n>.\n");
+ printf(" --cpuid-0x15.eax set the value of cpuid[0x15].eax.\n");
+ printf(" --cpuid-0x15.ebx set the value of cpuid[0x15].ebx.\n");
+ printf(" <ptfile>[:<from>[-<to>]] load the processor trace data from <ptfile>;\n");
return 0;
}
