From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Add a -g switch to show only a per-group summary. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- man/man8/xfs_spaceman.8 | 8 +++++++- spaceman/freesp.c | 27 ++++++++++++++++++++++++--- 2 files changed, 31 insertions(+), 4 deletions(-) diff --git a/man/man8/xfs_spaceman.8 b/man/man8/xfs_spaceman.8 index c1d19c0..a57a0c3 100644 --- a/man/man8/xfs_spaceman.8 +++ b/man/man8/xfs_spaceman.8 @@ -25,7 +25,7 @@ then the program exits. .SH COMMANDS .TP -.BI "freesp [ \-sr ] [ \-b | \-e bsize | \-h h1 [ \-m bmult ]] [-a agno]" +.BI "freesp [ \-srg ] [ \-b | \-e bsize | \-h h1 [ \-m bmult ]] [-a agno]" With no arguments, .B freesp shows a histogram of all free space extents in the filesystem. @@ -49,6 +49,12 @@ option may be specified multiple times. A summary of free space information will be printed if the .B -s option is given. +The +.B -g +option prints a brief per-AG summary of the free space found in that AG. +If +.B -r +is specified it will also report on free space in the realtime device. .TP .BR "help [ " command " ]" Display a brief description of one or all commands. diff --git a/spaceman/freesp.c b/spaceman/freesp.c index 42c30d6..36bf04a 100644 --- a/spaceman/freesp.c +++ b/spaceman/freesp.c @@ -42,6 +42,7 @@ static int histcount; static int multsize; static int seen1; static int summaryflag; +static int gflag; static bool rtflag; static long long totblocks; static long long totexts; @@ -159,6 +160,8 @@ scan_ag( off64_t bperag; off64_t aglen; xfs_agblock_t agbno; + unsigned long long freeblks = 0; + unsigned long long freeexts = 0; int ret; int i; @@ -212,6 +215,8 @@ _("%s: FS_IOC_GETFSMAP [\"%s\"]: %s\n"), agbno = (extent->fmr_physical - (bperag * agno)) / blocksize; aglen = extent->fmr_length / blocksize; + freeblks += aglen; + freeexts++; addtohist(agno, agbno, aglen); } @@ -221,6 +226,15 @@ _("%s: FS_IOC_GETFSMAP [\"%s\"]: %s\n"), break; fsmap_advance(fsmap); } + + if (gflag) { + if (agno == NULLAGNUMBER) + printf(_(" rtdev %10llu %10llu\n"), freeexts, + freeblks); + else + printf(_("%10u %10llu %10llu\n"), agno, freeexts, + freeblks); + } } static void aglistadd( @@ -245,7 +259,7 @@ init( aglist = NULL; hist = NULL; rtflag = false; - while ((c = getopt(argc, argv, "a:bde:h:m:rs")) != EOF) { + while ((c = getopt(argc, argv, "a:bde:gh:m:rs")) != EOF) { switch (c) { case 'a': aglistadd(optarg); @@ -265,6 +279,10 @@ init( equalsize = atoi(optarg); speced = 1; break; + case 'g': + histcount = 0; + gflag++; + break; case 'h': if (speced && !histcount) return 0; @@ -307,13 +325,15 @@ freesp_f( if (!init(argc, argv)) return 0; + if (gflag) + printf(_(" AG extents blocks\n")); if (rtflag) scan_ag(NULLAGNUMBER); for (agno = 0; !rtflag && agno < file->geom.agcount; agno++) { if (inaglist(agno)) scan_ag(agno); } - if (histcount) + if (histcount && !gflag) printhist(); if (summaryflag) { printf(_("total free extents %lld\n"), totexts); @@ -335,10 +355,11 @@ freesp_help(void) "\n" "Examine filesystem free space\n" "\n" -"Options: [-bcds] [-a agno] [-e bsize] [-h h1]... [-m bmult]\n" +"Options: [-bcdgs] [-a agno] [-e bsize] [-h h1]... [-m bmult]\n" "\n" " -b -- binary histogram bin size\n" " -d -- debug output\n" +" -g -- print per-AG summary\n" " -r -- display realtime device free space information\n" " -s -- emit freespace summary information\n" " -a agno -- scan only the given AG agno\n" -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html