I am getting two summaries in debug log. a small portion of one single log is given below. But i do not know the reason why it is happening?
09:31:34.009 (1009893000)|SYSTEM_METHOD_EXIT|[67]|System.debug(ANY)
09:31:34.013 (1013896000)|METHOD_ENTRY|[1]|01p900000041nyx|ProcessorControl.ProcessorControl()
09:31:34.013 (1013923000)|METHOD_EXIT|[1]|ProcessorControl
09:31:34.014 (1014139000)|SOQL_EXECUTE_BEGIN|[69]|Aggregations:0|select id, SAP_KUNNR__c from account where id = :tmpVar1
09:31:34.020 (1020479000)|SOQL_EXECUTE_END|[69]|Rows:1
09:31:34.020 (1020644000)|DML_BEGIN|[71]|Op:Update|Type:Account|Rows:1
09:31:34.098 (1098297000)|CODE_UNIT_STARTED|[EXTERNAL]|01q9000000082ou|AccountCallout on Account trigger event AfterUpdate for [0019000000s9SiY]
09:31:34.098 (1098561000)|SYSTEM_METHOD_ENTRY|[2]|LIST<Account>.iterator()
09:31:34.098 (1098767000)|SYSTEM_METHOD_EXIT|[2]|LIST<Account>.iterator()
09:31:34.098 (1098790000)|SYSTEM_METHOD_ENTRY|[2]|system.ListIterator.hasNext()
09:31:34.098 (1098807000)|SYSTEM_METHOD_EXIT|[2]|system.ListIterator.hasNext()
09:31:34.098 (1098837000)|SYSTEM_METHOD_ENTRY|[2]|system.ListIterator.hasNext()
09:31:34.098 (1098847000)|SYSTEM_METHOD_EXIT|[2]|system.ListIterator.hasNext()
09:31:34.927 (1098868000)|CUMULATIVE_LIMIT_USAGE
09:31:34.927|LIMIT_USAGE_FOR_NS|(default)|
Number of SOQL queries: 2 out of 200
Number of query rows: 2 out of 50000
Number of SOSL queries: 0 out of 20
Number of DML statements: 1 out of 150
Number of DML rows: 1 out of 10000
Number of code statements: 0 out of 1000000
Maximum CPU time: 0 out of 60000
Maximum heap size: 0 out of 12000000
Number of callouts: 1 out of 10
Number of Email Invocations: 0 out of 10
Number of fields describes: 0 out of 100
Number of record type describes: 0 out of 100
Number of child relationships describes: 0 out of 100
Number of picklist describes: 0 out of 100
Number of future calls: 0 out of 10
09:31:34.927|CUMULATIVE_LIMIT_USAGE_END
09:31:34.098 (1098935000)|CODE_UNIT_FINISHED|AccountCallout on Account trigger event AfterUpdate for [0019000000s9SiY]
09:31:34.103 (1103196000)|DML_END|[71]
09:31:34.103 (1103231000)|SYSTEM_MODE_EXIT|false
09:31:34.931 (1103258000)|CUMULATIVE_LIMIT_USAGE
09:31:34.931|LIMIT_USAGE_FOR_NS|(default)|
Number of SOQL queries: 2 out of 200
Number of query rows: 2 out of 50000
Number of SOSL queries: 0 out of 20
Number of DML statements: 1 out of 150
Number of DML rows: 1 out of 10000
Number of code statements: 0 out of 1000000
Maximum CPU time: 0 out of 60000
Maximum heap size: 0 out of 12000000
Number of callouts: 1 out of 10
Number of Email Invocations: 0 out of 10
Number of fields describes: 0 out of 100
Number of record type describes: 0 out of 100
Number of child relationships describes: 0 out of 100
Number of picklist describes: 0 out of 100
Number of future calls: 0 out of 10
09:31:34.931|CUMULATIVE_LIMIT_USAGE_END
09:31:34.103 (1103281000)|CODE_UNIT_FINISHED|SAPServices.CreateCustomer
09:31:34.103 (1103289000)|EXECUTION_FINISHED
Thanks, Baskaran