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author | Andres Lagar-Cavilla <andres@lagarcavilla.org> | 2012-02-10 16:07:07 +0000 |
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committer | Andres Lagar-Cavilla <andres@lagarcavilla.org> | 2012-02-10 16:07:07 +0000 |
commit | c13b827e66a93b121b48bd1fa6db1a11e77031c9 (patch) | |
tree | cee5e3f3edfb171d07544b8ea5a7a16f6604d7d4 /tools/tests | |
parent | 59a36d66a5d50a66f8a629b334a0cbd7af360f80 (diff) | |
download | xen-c13b827e66a93b121b48bd1fa6db1a11e77031c9.tar.gz xen-c13b827e66a93b121b48bd1fa6db1a11e77031c9.tar.bz2 xen-c13b827e66a93b121b48bd1fa6db1a11e77031c9.zip |
x86/mm: New sharing audit memop
Remove costly mem_sharing audits from the inline path, and instead make them
callable as a memop.
Have the audit function return the number of errors detected.
Update memshrtool to be able to trigger audits.
Set sharing audits as enabled by default.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Adin Scannell <adin@scannell.ca>
Acked-by: Tim Deegan <tim@xen.org>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Tim Deegan <tim@xen.org>
Diffstat (limited to 'tools/tests')
-rw-r--r-- | tools/tests/mem-sharing/memshrtool.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/tests/mem-sharing/memshrtool.c b/tools/tests/mem-sharing/memshrtool.c index a5dfc24f94..db44294230 100644 --- a/tools/tests/mem-sharing/memshrtool.c +++ b/tools/tests/mem-sharing/memshrtool.c @@ -27,6 +27,7 @@ static int usage(const char* prog) printf(" add-to-physmap <domid> <gfn> <source> <source-gfn> <source-handle>\n"); printf(" - Populate a page in a domain with a shared page.\n"); printf(" debug-gfn <domid> <gfn> - Debug a particular domain and gfn.\n"); + printf(" audit - Audit the sharing subsytem in Xen.\n"); return 1; } @@ -160,6 +161,16 @@ int main(int argc, const char** argv) gfn = strtol(argv[3], NULL, 0); R(xc_memshr_debug_gfn(xch, domid, gfn)); } + else if( !strcasecmp(cmd, "audit") ) + { + int rc = xc_memshr_audit(xch); + if ( rc < 0 ) + { + printf("error executing xc_memshr_audit: %s\n", strerror(errno)); + return rc; + } + printf("Audit returned %d errors.\n", rc); + } return 0; } |