From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhigang Wang Subject: Re: [PATCH for-4.5 0/2] xl/libxl: return and print partial config Date: Wed, 12 Nov 2014 14:54:00 -0500 Message-ID: <5463BAD8.9090407@oracle.com> References: <1415811865-19981-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1415811865-19981-1-git-send-email-wei.liu2@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Wei Liu Cc: ian.jackson@eu.citrix.com, ian.campbell@citrix.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 11/12/2014 12:04 PM, Wei Liu wrote: > This small series change the behavior of libxl_retrieve_domain_configuration, > to make it continue to retrieve information from xenstore even if JSON template > is not available. > > This change of API behaviour is only internal. Conceptually speaking, any > non-zero return value means d_config is partially filled. The chanage just > makes it fill in more information (xenstore entries) than before (empty). > Caller can still expect zero on success and non-zero on error and act > accordingly. > > "xl list -l" is now changed to print out the partial configuration, since it > needs to be consistent with the short output. > > Wei. > > Wei Liu (2): > libxl: continue when encounter ERROR_JSON_CONFIG_EMPTY > xl: print out partial configuration in long mode of list command > > tools/libxl/libxl.c | 6 +++++- > tools/libxl/xl_cmdimpl.c | 6 ++---- > 2 files changed, 7 insertions(+), 5 deletions(-) > It seem some other places may need fix too. Here is the test result: # xl list -l libxl: error: libxl.c:4844:libxl__get_memory_target: cannot get target memory info from /local/domain/1/memory/target : No such file or directory libxl: error: libxl.c:6582:libxl_retrieve_domain_configuration: fail to get memory target for domain 1 [ { "domid": 0, "config": { "c_info": { "type": "pv", "name": "Domain-0" }, "b_info": { "max_memkb": 876544, "target_memkb": 876543, "sched_params": { }, "type.pv": { } } } }, { "domid": 1, "config": { "c_info": { "name": "0004fb00000600008b1d33e2704548b7--incoming", "uuid": "0004fb00-0006-0000-8b1d-33e2704548b7" }, "b_info": { "sched_params": { }, "type.invalid": { } } } } ] Thanks, Zhigang