[PATCH 09/11] makedumpfile: Add zstd help message

[Tao Liu <ltao@xxxxxxxxxx>]

Signed-off-by: Tao Liu <ltao@xxxxxxxxxx>
Signed-off-by: Coiby Xu <coxu@xxxxxxxxxx>
---
 print_info.c | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)

diff --git a/print_info.c b/print_info.c
index 8b28554..e4bfefc 100644
--- a/print_info.c
+++ b/print_info.c
@@ -38,6 +38,11 @@ show_version(void)
 	MSG("snappy\tenabled\n");
 #else
 	MSG("snappy\tdisabled\n");
+#endif
+#ifdef USEZSTD
+	MSG("zstd\tenabled\n");
+#else
+	MSG("zstd\tdisabled\n");
 #endif
 	MSG("\n");
 }
@@ -57,20 +62,26 @@ print_usage(void)
 	MSG("  enabled\n");
 #else
 	MSG("  disabled ('-p' option will be ignored.)\n");
+#endif
+	MSG("zstd support:\n");
+#ifdef USEZSTD
+	MSG("  enabled\n");
+#else
+	MSG("  disabled ('-z' option will be ignored.)\n");
 #endif
 	MSG("\n");
 	MSG("Usage:\n");
 	MSG("  Creating DUMPFILE:\n");
-	MSG("  # makedumpfile    [-c|-l|-p|-E] [-d DL] [-e] [-x VMLINUX|-i VMCOREINFO] VMCORE\n");
+	MSG("  # makedumpfile    [-c|-l|-p|-z|-E] [-d DL] [-e] [-x VMLINUX|-i VMCOREINFO] VMCORE\n");
 	MSG("    DUMPFILE\n");
 	MSG("\n");
 	MSG("  Creating DUMPFILE with filtered kernel data specified through filter config\n");
 	MSG("  file or eppic macro:\n");
-	MSG("  # makedumpfile    [-c|-l|-p|-E] [-d DL] -x VMLINUX [--config FILTERCONFIGFILE]\n");
+	MSG("  # makedumpfile    [-c|-l|-p|-z|-E] [-d DL] -x VMLINUX [--config FILTERCONFIGFILE]\n");
 	MSG("    [--eppic EPPICMACRO] VMCORE DUMPFILE\n");
 	MSG("\n");
 	MSG("  Outputting the dump data in the flattened format to the standard output:\n");
-	MSG("  # makedumpfile -F [-c|-l|-p|-E] [-d DL] [-x VMLINUX|-i VMCOREINFO] VMCORE\n");
+	MSG("  # makedumpfile -F [-c|-l|-p|-z|-E] [-d DL] [-x VMLINUX|-i VMCOREINFO] VMCORE\n");
 	MSG("\n");
 	MSG("  Rearranging the dump data in the flattened format to a readable DUMPFILE:\n");
 	MSG("  # makedumpfile -R DUMPFILE\n");
@@ -94,26 +105,27 @@ print_usage(void)
 	MSG("\n");
 	MSG("\n");
 	MSG("  Creating DUMPFILE of Xen:\n");
-	MSG("  # makedumpfile [-c|-l|-p|-E] [--xen-syms XEN-SYMS|--xen-vmcoreinfo VMCOREINFO]\n");
+	MSG("  # makedumpfile [-c|-l|-p|-z|-E] [--xen-syms XEN-SYMS|--xen-vmcoreinfo VMCOREINFO]\n");
 	MSG("    VMCORE DUMPFILE\n");
 	MSG("\n");
 	MSG("  Filtering domain-0 of Xen:\n");
-	MSG("  # makedumpfile [-c|-l|-p|-E] -d DL -x vmlinux VMCORE DUMPFILE\n");
+	MSG("  # makedumpfile [-c|-l|-p|-z|-E] -d DL -x vmlinux VMCORE DUMPFILE\n");
 	MSG("\n");
 	MSG("  Generating VMCOREINFO of Xen:\n");
 	MSG("  # makedumpfile -g VMCOREINFO --xen-syms XEN-SYMS\n");
 	MSG("\n");
 	MSG("\n");
 	MSG("  Creating DUMPFILE from multiple VMCOREs generated on sadump diskset configuration:\n");
-	MSG("  # makedumpfile [-c|-l|-p] [-d DL] -x VMLINUX --diskset=VMCORE1 --diskset=VMCORE2\n");
+	MSG("  # makedumpfile [-c|-l|-p|-z] [-d DL] -x VMLINUX --diskset=VMCORE1 --diskset=VMCORE2\n");
 	MSG("    [--diskset=VMCORE3 ..] DUMPFILE\n");
 	MSG("\n");
 	MSG("\n");
 	MSG("Available options:\n");
-	MSG("  [-c|-l|-p]:\n");
+	MSG("  [-c|-l|-p|-z]:\n");
 	MSG("      Compress dump data by each page using zlib for -c option, lzo for -l option\n");
-	MSG("      or snappy for -p option. A user cannot specify either of these options with\n");
-	MSG("      -E option, because the ELF format does not support compressed data.\n");
+	MSG("      snappy for -p option, or zstd for -z option. A user cannot specify either of\n");
+	MSG("      these options with -E option, because the ELF format does not support\n");
+	MSG("      compressed data.\n");
 	MSG("      THIS IS ONLY FOR THE CRASH UTILITY.\n");
 	MSG("\n");
 	MSG("  [-e]:\n");
-- 
2.29.2


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