Message ID | 1448592497-2462-3-git-send-email-peterx@redhat.com |
---|---|
State | New |
Headers | show |
On Fri, 11/27 10:48, Peter Xu wrote: > This patch only adds the interfaces, but not implements them. > "detach" parameter is made optional, to make sure that all the old > dump-guest-memory requests will still be able to work. > > Signed-off-by: Peter Xu <peterx@redhat.com> > --- > dump.c | 5 +++-- > hmp-commands.hx | 5 +++-- > hmp.c | 9 +++++++-- > qapi-schema.json | 8 ++++++-- > qmp-commands.hx | 6 ++++-- > 5 files changed, 23 insertions(+), 10 deletions(-) > > diff --git a/dump.c b/dump.c > index 445e739..d79e0ed 100644 > --- a/dump.c > +++ b/dump.c > @@ -1580,8 +1580,9 @@ cleanup: > dump_cleanup(s); > } > > -void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin, > - int64_t begin, bool has_length, > +void qmp_dump_guest_memory(bool paging, const char *file, > + bool has_detach, bool detach, > + bool has_begin, int64_t begin, bool has_length, > int64_t length, bool has_format, > DumpGuestMemoryFormat format, Error **errp) > { > diff --git a/hmp-commands.hx b/hmp-commands.hx > index bb52e4d..664d794 100644 > --- a/hmp-commands.hx > +++ b/hmp-commands.hx > @@ -1056,10 +1056,11 @@ ETEXI > > { > .name = "dump-guest-memory", > - .args_type = "paging:-p,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", > - .params = "[-p] [-z|-l|-s] filename [begin length]", > + .args_type = "paging:-p,detach:-d,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", > + .params = "[-p] [-d] [-z|-l|-s] filename [begin length]", > .help = "dump guest memory into file 'filename'.\n\t\t\t" > "-p: do paging to get guest's memory mapping.\n\t\t\t" > + "-d: return immediately (do not wait for completion).\n\t\t\t" > "-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t" > "-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t" > "-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t" > diff --git a/hmp.c b/hmp.c > index 2140605..dccb457 100644 > --- a/hmp.c > +++ b/hmp.c > @@ -1586,8 +1586,10 @@ void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) > const char *file = qdict_get_str(qdict, "filename"); > bool has_begin = qdict_haskey(qdict, "begin"); > bool has_length = qdict_haskey(qdict, "length"); > + bool has_detach = qdict_haskey(qdict, "detach"); > int64_t begin = 0; > int64_t length = 0; > + bool detach = false; > enum DumpGuestMemoryFormat dump_format = DUMP_GUEST_MEMORY_FORMAT_ELF; > char *prot; > > @@ -1615,11 +1617,14 @@ void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) > if (has_length) { > length = qdict_get_int(qdict, "length"); > } > + if (has_detach) { > + detach = qdict_get_try_bool(qdict, "detach", false); > + } > > prot = g_strconcat("file:", file, NULL); > > - qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length, > - true, dump_format, &err); > + qmp_dump_guest_memory(paging, prot, has_detach, detach, has_begin, begin, > + has_length, length, true, dump_format, &err); > hmp_handle_error(mon, &err); > g_free(prot); > } > diff --git a/qapi-schema.json b/qapi-schema.json > index 8b1a423..fd81ce2 100644 > --- a/qapi-schema.json > +++ b/qapi-schema.json > @@ -2115,6 +2115,9 @@ > # 2. fd: the protocol starts with "fd:", and the following string > # is the fd's name. > # > +# @detach: #optional if true, QMP will return immediately rather than > +# waiting dump to be finished (since 2.6). > +# Is it better to mention the related query command and events here... > # @begin: #optional if specified, the starting physical address. > # > # @length: #optional if specified, the memory size, in bytes. If you don't > @@ -2131,8 +2134,9 @@ > # Since: 1.2 > ## > { 'command': 'dump-guest-memory', > - 'data': { 'paging': 'bool', 'protocol': 'str', '*begin': 'int', > - '*length': 'int', '*format': 'DumpGuestMemoryFormat' } } > + 'data': { 'paging': 'bool', 'protocol': 'str', '*detach': 'bool', > + '*begin': 'int', '*length': 'int', > + '*format': 'DumpGuestMemoryFormat'} } > > ## > # @DumpGuestMemoryCapability: > diff --git a/qmp-commands.hx b/qmp-commands.hx > index 9d8b42f..bbb08e1 100644 > --- a/qmp-commands.hx > +++ b/qmp-commands.hx > @@ -840,8 +840,8 @@ EQMP > > { > .name = "dump-guest-memory", > - .args_type = "paging:b,protocol:s,begin:i?,end:i?,format:s?", > - .params = "-p protocol [begin] [length] [format]", > + .args_type = "paging:b,protocol:s,detach:b?,begin:i?,end:i?,format:s?", > + .params = "-p protocol [-d] [begin] [length] [format]", > .help = "dump guest memory to file", > .mhandler.cmd_new = qmp_marshal_dump_guest_memory, > }, > @@ -857,6 +857,8 @@ Arguments: > - "paging": do paging to get guest's memory mapping (json-bool) > - "protocol": destination file(started with "file:") or destination file > descriptor (started with "fd:") (json-string) > +- "detach": if specificed, command will return immediately, without waiting > + for dump to be finished (json-bool) ... and here? Fam > - "begin": the starting physical address. It's optional, and should be specified > with length together (json-int) > - "length": the memory size, in bytes. It's optional, and should be specified > -- > 2.4.3 > >
On 11/27/2015 12:31 PM, Fam Zheng wrote: > On Fri, 11/27 10:48, Peter Xu wrote: >> This patch only adds the interfaces, but not implements them. >> "detach" parameter is made optional, to make sure that all the old >> dump-guest-memory requests will still be able to work. >> >> Signed-off-by: Peter Xu <peterx@redhat.com> >> --- >> dump.c | 5 +++-- >> hmp-commands.hx | 5 +++-- >> hmp.c | 9 +++++++-- >> qapi-schema.json | 8 ++++++-- >> qmp-commands.hx | 6 ++++-- >> 5 files changed, 23 insertions(+), 10 deletions(-) >> >> diff --git a/dump.c b/dump.c >> index 445e739..d79e0ed 100644 >> --- a/dump.c >> +++ b/dump.c >> @@ -1580,8 +1580,9 @@ cleanup: >> dump_cleanup(s); >> } >> >> -void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin, >> - int64_t begin, bool has_length, >> +void qmp_dump_guest_memory(bool paging, const char *file, >> + bool has_detach, bool detach, >> + bool has_begin, int64_t begin, bool has_length, >> int64_t length, bool has_format, >> DumpGuestMemoryFormat format, Error **errp) >> { >> diff --git a/hmp-commands.hx b/hmp-commands.hx >> index bb52e4d..664d794 100644 >> --- a/hmp-commands.hx >> +++ b/hmp-commands.hx >> @@ -1056,10 +1056,11 @@ ETEXI >> >> { >> .name = "dump-guest-memory", >> - .args_type = "paging:-p,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", >> - .params = "[-p] [-z|-l|-s] filename [begin length]", >> + .args_type = "paging:-p,detach:-d,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", >> + .params = "[-p] [-d] [-z|-l|-s] filename [begin length]", >> .help = "dump guest memory into file 'filename'.\n\t\t\t" >> "-p: do paging to get guest's memory mapping.\n\t\t\t" >> + "-d: return immediately (do not wait for completion).\n\t\t\t" >> "-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t" >> "-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t" >> "-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t" >> diff --git a/hmp.c b/hmp.c >> index 2140605..dccb457 100644 >> --- a/hmp.c >> +++ b/hmp.c >> @@ -1586,8 +1586,10 @@ void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) >> const char *file = qdict_get_str(qdict, "filename"); >> bool has_begin = qdict_haskey(qdict, "begin"); >> bool has_length = qdict_haskey(qdict, "length"); >> + bool has_detach = qdict_haskey(qdict, "detach"); >> int64_t begin = 0; >> int64_t length = 0; >> + bool detach = false; >> enum DumpGuestMemoryFormat dump_format = DUMP_GUEST_MEMORY_FORMAT_ELF; >> char *prot; >> >> @@ -1615,11 +1617,14 @@ void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) >> if (has_length) { >> length = qdict_get_int(qdict, "length"); >> } >> + if (has_detach) { >> + detach = qdict_get_try_bool(qdict, "detach", false); >> + } >> >> prot = g_strconcat("file:", file, NULL); >> >> - qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length, >> - true, dump_format, &err); >> + qmp_dump_guest_memory(paging, prot, has_detach, detach, has_begin, begin, >> + has_length, length, true, dump_format, &err); >> hmp_handle_error(mon, &err); >> g_free(prot); >> } >> diff --git a/qapi-schema.json b/qapi-schema.json >> index 8b1a423..fd81ce2 100644 >> --- a/qapi-schema.json >> +++ b/qapi-schema.json >> @@ -2115,6 +2115,9 @@ >> # 2. fd: the protocol starts with "fd:", and the following string >> # is the fd's name. >> # >> +# @detach: #optional if true, QMP will return immediately rather than >> +# waiting dump to be finished (since 2.6). >> +# > > Is it better to mention the related query command and events here... Yes, will add more documents in v3. > >> # @begin: #optional if specified, the starting physical address. >> # >> # @length: #optional if specified, the memory size, in bytes. If you don't >> @@ -2131,8 +2134,9 @@ >> # Since: 1.2 >> ## >> { 'command': 'dump-guest-memory', >> - 'data': { 'paging': 'bool', 'protocol': 'str', '*begin': 'int', >> - '*length': 'int', '*format': 'DumpGuestMemoryFormat' } } >> + 'data': { 'paging': 'bool', 'protocol': 'str', '*detach': 'bool', >> + '*begin': 'int', '*length': 'int', >> + '*format': 'DumpGuestMemoryFormat'} } >> >> ## >> # @DumpGuestMemoryCapability: >> diff --git a/qmp-commands.hx b/qmp-commands.hx >> index 9d8b42f..bbb08e1 100644 >> --- a/qmp-commands.hx >> +++ b/qmp-commands.hx >> @@ -840,8 +840,8 @@ EQMP >> >> { >> .name = "dump-guest-memory", >> - .args_type = "paging:b,protocol:s,begin:i?,end:i?,format:s?", >> - .params = "-p protocol [begin] [length] [format]", >> + .args_type = "paging:b,protocol:s,detach:b?,begin:i?,end:i?,format:s?", >> + .params = "-p protocol [-d] [begin] [length] [format]", >> .help = "dump guest memory to file", >> .mhandler.cmd_new = qmp_marshal_dump_guest_memory, >> }, >> @@ -857,6 +857,8 @@ Arguments: >> - "paging": do paging to get guest's memory mapping (json-bool) >> - "protocol": destination file(started with "file:") or destination file >> descriptor (started with "fd:") (json-string) >> +- "detach": if specificed, command will return immediately, without waiting >> + for dump to be finished (json-bool) > > ... and here? Here too. :) Thanks. Peter > > Fam > >> - "begin": the starting physical address. It's optional, and should be specified >> with length together (json-int) >> - "length": the memory size, in bytes. It's optional, and should be specified >> -- >> 2.4.3 >> >>
On 11/26/2015 07:48 PM, Peter Xu wrote: > This patch only adds the interfaces, but not implements them. s/not implements/does not implement/ > "detach" parameter is made optional, to make sure that all the old > dump-guest-memory requests will still be able to work. > > Signed-off-by: Peter Xu <peterx@redhat.com> > --- In addition to Fam's comments, > +++ b/qapi-schema.json > @@ -2115,6 +2115,9 @@ > # 2. fd: the protocol starts with "fd:", and the following string > # is the fd's name. > # > +# @detach: #optional if true, QMP will return immediately rather than > +# waiting dump to be finished (since 2.6). s/waiting/waiting for the/ s/be finished/finish/ > +++ b/qmp-commands.hx > @@ -840,8 +840,8 @@ EQMP > > { > .name = "dump-guest-memory", > - .args_type = "paging:b,protocol:s,begin:i?,end:i?,format:s?", > - .params = "-p protocol [begin] [length] [format]", > + .args_type = "paging:b,protocol:s,detach:b?,begin:i?,end:i?,format:s?", > + .params = "-p protocol [-d] [begin] [length] [format]", > .help = "dump guest memory to file", > .mhandler.cmd_new = qmp_marshal_dump_guest_memory, > }, > @@ -857,6 +857,8 @@ Arguments: > - "paging": do paging to get guest's memory mapping (json-bool) > - "protocol": destination file(started with "file:") or destination file > descriptor (started with "fd:") (json-string) > +- "detach": if specificed, command will return immediately, without waiting s/specificed/specified/ > + for dump to be finished (json-bool) s/dump to be finished/the dump to finish/ > - "begin": the starting physical address. It's optional, and should be specified > with length together (json-int) > - "length": the memory size, in bytes. It's optional, and should be specified >
On Mon, Nov 30, 2015 at 11:21:23AM -0700, Eric Blake wrote: > On 11/26/2015 07:48 PM, Peter Xu wrote: > > This patch only adds the interfaces, but not implements them. > > s/not implements/does not implement/ > > > "detach" parameter is made optional, to make sure that all the old > > dump-guest-memory requests will still be able to work. > > > > Signed-off-by: Peter Xu <peterx@redhat.com> > > --- > > In addition to Fam's comments, > > > +++ b/qapi-schema.json > > @@ -2115,6 +2115,9 @@ > > # 2. fd: the protocol starts with "fd:", and the following string > > # is the fd's name. > > # > > +# @detach: #optional if true, QMP will return immediately rather than > > +# waiting dump to be finished (since 2.6). > > s/waiting/waiting for the/ > s/be finished/finish/ > > > +++ b/qmp-commands.hx > > @@ -840,8 +840,8 @@ EQMP > > > > { > > .name = "dump-guest-memory", > > - .args_type = "paging:b,protocol:s,begin:i?,end:i?,format:s?", > > - .params = "-p protocol [begin] [length] [format]", > > + .args_type = "paging:b,protocol:s,detach:b?,begin:i?,end:i?,format:s?", > > + .params = "-p protocol [-d] [begin] [length] [format]", > > .help = "dump guest memory to file", > > .mhandler.cmd_new = qmp_marshal_dump_guest_memory, > > }, > > @@ -857,6 +857,8 @@ Arguments: > > - "paging": do paging to get guest's memory mapping (json-bool) > > - "protocol": destination file(started with "file:") or destination file > > descriptor (started with "fd:") (json-string) > > +- "detach": if specificed, command will return immediately, without waiting > > s/specificed/specified/ > > > + for dump to be finished (json-bool) > > s/dump to be finished/the dump to finish/ Thanks for the corrections. These errors exist in v3 too. Will fix them in v4. Peter > > > - "begin": the starting physical address. It's optional, and should be specified > > with length together (json-int) > > - "length": the memory size, in bytes. It's optional, and should be specified > > > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org >
diff --git a/dump.c b/dump.c index 445e739..d79e0ed 100644 --- a/dump.c +++ b/dump.c @@ -1580,8 +1580,9 @@ cleanup: dump_cleanup(s); } -void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin, - int64_t begin, bool has_length, +void qmp_dump_guest_memory(bool paging, const char *file, + bool has_detach, bool detach, + bool has_begin, int64_t begin, bool has_length, int64_t length, bool has_format, DumpGuestMemoryFormat format, Error **errp) { diff --git a/hmp-commands.hx b/hmp-commands.hx index bb52e4d..664d794 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1056,10 +1056,11 @@ ETEXI { .name = "dump-guest-memory", - .args_type = "paging:-p,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", - .params = "[-p] [-z|-l|-s] filename [begin length]", + .args_type = "paging:-p,detach:-d,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", + .params = "[-p] [-d] [-z|-l|-s] filename [begin length]", .help = "dump guest memory into file 'filename'.\n\t\t\t" "-p: do paging to get guest's memory mapping.\n\t\t\t" + "-d: return immediately (do not wait for completion).\n\t\t\t" "-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t" "-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t" "-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t" diff --git a/hmp.c b/hmp.c index 2140605..dccb457 100644 --- a/hmp.c +++ b/hmp.c @@ -1586,8 +1586,10 @@ void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) const char *file = qdict_get_str(qdict, "filename"); bool has_begin = qdict_haskey(qdict, "begin"); bool has_length = qdict_haskey(qdict, "length"); + bool has_detach = qdict_haskey(qdict, "detach"); int64_t begin = 0; int64_t length = 0; + bool detach = false; enum DumpGuestMemoryFormat dump_format = DUMP_GUEST_MEMORY_FORMAT_ELF; char *prot; @@ -1615,11 +1617,14 @@ void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) if (has_length) { length = qdict_get_int(qdict, "length"); } + if (has_detach) { + detach = qdict_get_try_bool(qdict, "detach", false); + } prot = g_strconcat("file:", file, NULL); - qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length, - true, dump_format, &err); + qmp_dump_guest_memory(paging, prot, has_detach, detach, has_begin, begin, + has_length, length, true, dump_format, &err); hmp_handle_error(mon, &err); g_free(prot); } diff --git a/qapi-schema.json b/qapi-schema.json index 8b1a423..fd81ce2 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -2115,6 +2115,9 @@ # 2. fd: the protocol starts with "fd:", and the following string # is the fd's name. # +# @detach: #optional if true, QMP will return immediately rather than +# waiting dump to be finished (since 2.6). +# # @begin: #optional if specified, the starting physical address. # # @length: #optional if specified, the memory size, in bytes. If you don't @@ -2131,8 +2134,9 @@ # Since: 1.2 ## { 'command': 'dump-guest-memory', - 'data': { 'paging': 'bool', 'protocol': 'str', '*begin': 'int', - '*length': 'int', '*format': 'DumpGuestMemoryFormat' } } + 'data': { 'paging': 'bool', 'protocol': 'str', '*detach': 'bool', + '*begin': 'int', '*length': 'int', + '*format': 'DumpGuestMemoryFormat'} } ## # @DumpGuestMemoryCapability: diff --git a/qmp-commands.hx b/qmp-commands.hx index 9d8b42f..bbb08e1 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -840,8 +840,8 @@ EQMP { .name = "dump-guest-memory", - .args_type = "paging:b,protocol:s,begin:i?,end:i?,format:s?", - .params = "-p protocol [begin] [length] [format]", + .args_type = "paging:b,protocol:s,detach:b?,begin:i?,end:i?,format:s?", + .params = "-p protocol [-d] [begin] [length] [format]", .help = "dump guest memory to file", .mhandler.cmd_new = qmp_marshal_dump_guest_memory, }, @@ -857,6 +857,8 @@ Arguments: - "paging": do paging to get guest's memory mapping (json-bool) - "protocol": destination file(started with "file:") or destination file descriptor (started with "fd:") (json-string) +- "detach": if specificed, command will return immediately, without waiting + for dump to be finished (json-bool) - "begin": the starting physical address. It's optional, and should be specified with length together (json-int) - "length": the memory size, in bytes. It's optional, and should be specified
This patch only adds the interfaces, but not implements them. "detach" parameter is made optional, to make sure that all the old dump-guest-memory requests will still be able to work. Signed-off-by: Peter Xu <peterx@redhat.com> --- dump.c | 5 +++-- hmp-commands.hx | 5 +++-- hmp.c | 9 +++++++-- qapi-schema.json | 8 ++++++-- qmp-commands.hx | 6 ++++-- 5 files changed, 23 insertions(+), 10 deletions(-)